Properties of the Number 72258

Seventy-Two Thousand Two Hundred Fifty-Eight

Basics

Value: 72257 → 72258 → 72259

Parity: even

Prime: No

Previous Prime: 72253

Next Prime: 72269

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 12043

Divisors: 1, 2, 3, 6, 12043, 24086, 36129, 72258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101001000010

Octal: 215102

Duodecimal: 35996

Hexadecimal: 11a42

Square: 5221218564

Square Root: 268.8084820090319

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

a(n) = ∑_k=1..n (-1)^k+1 * floor(n/k)³. A344721

Expansion of 1/((1-x)²*(1-x²)²*(1-x³)*(1-x⁴)²*(1-x⁵)). A69957

Index of smallest prime number where n consecutive leading digits of the index match n consecutive leading digits in the prime. A133583

Primes associated with the indices in A133583. A133584

a(n) = ((6·n+1)*4ⁿ - 1)/3. A72258