Properties of the Number 72628

Seventy-Two Thousand Six Hundred Twenty-Eight

Basics

Value: 72627 → 72628 → 72629

Parity: even

Prime: No

Previous Prime: 72623

Next Prime: 72643

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 67 × 271

Divisors: 1, 2, 4, 67, 134, 268, 271, 542, 1084, 18157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101110110100

Octal: 215664

Duodecimal: 36044

Hexadecimal: 11bb4

Square: 5274826384

Square Root: 269.4958255706385

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

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

D'Agapeyeff cipher. A135209

a(n) = (7·n+2)*(7·n+5) = 49·n² + 49·n + 10. A177060

Number of divisors d of n such that d-1 is not prime. A72628