Properties of the Number 72470

Seventy-Two Thousand Four Hundred Seventy

Basics

Value: 72469 → 72470 → 72471

Parity: even

Prime: No

Previous Prime: 72469

Next Prime: 72481

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7247

Divisors: 1, 2, 5, 10, 7247, 14494, 36235, 72470

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101100010110

Octal: 215426

Duodecimal: 35B32

Hexadecimal: 11b16

Square: 5251900900

Square Root: 269.2025259911207

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

Expansion of ∏_k>=1 (1 + x^k)^{6^(k-1}). A343363

Number of compositions of n with exactly 4 transitions between different parts. A244716

a(0) = 0, a(1) = 9; for n > 1 a(n) = smallest positive square (possibly required to be greater than a(n-1)?) such that a(0) + a(1) + ... + a(n) is a square. A72470

a(n) = least k such that the prime tower factorizations of k and k+1 both contain the n-th prime. A286068