Properties of the Number 72945

Seventy-Two Thousand Nine Hundred Forty-Five

Basics

Value: 72944 → 72945 → 72946

Parity: odd

Prime: No

Previous Prime: 72937

Next Prime: 72949

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1621

Divisors: 1, 3, 5, 9, 15, 45, 1621, 4863, 8105, 14589

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110011110001

Octal: 216361

Duodecimal: 36269

Hexadecimal: 11cf1

Square: 5320973025

Square Root: 270.08332047721865

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

INVERT transform of the rabbit sequence, A005614. A144023

Number of pairs (x,y) with x,y >= 0 such that x³+y²+x·y <= n. A72945