Properties of the Number -75220

Seventy-Five Thousand Two Hundred Twenty

Basics

Value: -75221 → -75220 → -75219

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 3761

Divisors: 1, 2, 4, 5, 10, 20, 3761, 7522, 15044, 18805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010010111010100

Octal: -222724

Duodecimal: -37644

Hexadecimal: -125d4

Square: 5658048400

Square Root: 274.2626478396211

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

a(n) is the surface area of the symmetric tower described in A221529 which is a polycube whose successive terraces are the symmetric representation of σ A000203(i) (from i = 1 to n) starting from the top and the levels of these terraces are the partition numbers A000041(h-1) (from h = 1 to n) starting from the base. A345023

Numerator of ∑_i=1..n i³/(n-i+1). A119783