Properties of the Number 87224

Eighty-Seven Thousand Two Hundred Twenty-Four

Basics

Value: 87223 → 87224 → 87225

Parity: even

Prime: No

Previous Prime: 87223

Next Prime: 87251

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 10903

Divisors: 1, 2, 4, 8, 10903, 21806, 43612, 87224

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010010111000

Octal: 252270

Duodecimal: 42588

Hexadecimal: 154b8

Square: 7608026176

Square Root: 295.3370955366088

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 floor(n/k) * (-2)^k-1. A344817

G.f. satisfies A(x) = f(x)² + x·A(x)*f(x)³, where f(x) = ∑_k>=0 x^{(4^k-1}/3). A87224