Properties of the Number -72678

Seventy-Two Thousand Six Hundred Seventy-Eight

Basics

Value: -72679 → -72678 → -72677

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 12113

Divisors: 1, 2, 3, 6, 12113, 24226, 36339, 72678

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001101111100110

Octal: -215746

Duodecimal: -36086

Hexadecimal: -11be6

Square: 5282091684

Square Root: 269.5885754255918

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298154

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4. A196746

a(n) = ∑_k=1..n k³ * τ(k), where τ is A000005. A320895

Number of nodes at the n-th level of the Inverse-Totient-Tree (ITT) with the root at 1, and edges connecting number m to all numbers k such that φ(k) = m. A58811

Number of n X 3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4. A196741

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 539", based on the 5-celled von Neumann neighborhood. A272803

Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298151

Number of n X 7 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298153