Properties of the Number 72516

Seventy-Two Thousand Five Hundred Sixteen

Basics

Value: 72515 → 72516 → 72517

Parity: even

Prime: No

Previous Prime: 72503

Next Prime: 72533

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 6043

Divisors: 1, 2, 3, 4, 6, 12, 6043, 12086, 18129, 24172

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101101000100

Octal: 215504

Duodecimal: 35B70

Hexadecimal: 11b44

Square: 5258570256

Square Root: 269.2879499717728

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 (68·10^k + 7)/3 is prime. A270613

Numbers k such that the sum of the digits of k^σ(k) is divisible by k. A109658

G.f. A(x) satisfies: 1 = ∑_n>=0 ( (1+x)ⁿ - 3·x*A(x) )ⁿ / 2ⁿ⁺¹. A301435

Expansion of (1/x) * Series_Reversion( x / ((1+x)⁴+x⁴) ). A369126

Sum of remainders when n is divided by lesser squares. A72516