Properties of the Number 72549

Seventy-Two Thousand Five Hundred Forty-Nine

Basics

Value: 72548 → 72549 → 72550

Parity: odd

Prime: No

Previous Prime: 72547

Next Prime: 72551

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 2687

Divisors: 1, 3, 9, 27, 2687, 8061, 24183, 72549

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101101100101

Octal: 215545

Duodecimal: 35B99

Hexadecimal: 11b65

Square: 5263357401

Square Root: 269.3492157033319

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

Smallest number such that the sum of the digits of n·a(n) is greater than n. A269333

a(n) = A077708(n+1)/A077708(n). A77709

a(n) = abs(floor(n + a(n-1)²/n - n·log(n))) with a(0)=1. A72549