Properties of the Number -72728

Seventy-Two Thousand Seven Hundred Twenty-Eight

Basics

Value: -72729 → -72728 → -72727

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 9091

Divisors: 1, 2, 4, 8, 9091, 18182, 36364, 72728

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001110000011000

Octal: -216030

Duodecimal: -36108

Hexadecimal: -11c18

Square: 5289361984

Square Root: 269.6812933816508

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

Numbers k such that k*(k+4) gives the concatenation of a number m with itself. A116288

a(n)=sum(k=1,n,C(n,n reduced (mod k))). A72953