Properties of the Number 87449

Eighty-Seven Thousand Four Hundred Forty-Nine

Basics

Value: 87448 → 87449 → 87450

Parity: odd

Prime: No

Previous Prime: 87443

Next Prime: 87473

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 157 × 557

Divisors: 1, 157, 557, 87449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010110011001

Octal: 252631

Duodecimal: 42735

Hexadecimal: 15599

Square: 7647327601

Square Root: 295.7177708559295

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

Numbers k with the property that it is possible to write the base 2 expansion of k as concat(a₂,b₂), with a₂>0 and b₂>0 such that, converting a₂ and b₂ to base 10 as a and b, we have σ(a) + σ (b) = σ(k) - k. A258813

Expansion of ∏_k>=1 1/(1 - (5·k-4)*x^5·k-4). A265834

a(n) = n·4^n-1 + (2·4ⁿ + 1) / 3. A87449