Properties of the Number 28562

Twenty-Eight Thousand Five Hundred Sixty-Two

Basics

Value: 28561 → 28562 → 28563

Parity: even

Prime: No

Previous Prime: 28559

Next Prime: 28571

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 14281

Divisors: 1, 2, 14281, 28562

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110010010

Octal: 67622

Duodecimal: 14642

Hexadecimal: 6f92

Square: 815787844

Square Root: 169.00295855398508

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

sigma₄(n): sum of 4th powers of divisors of n. A1159

a(n) = n⁴ + 1. A2523

a(n) = ∑_{d∣n, n/d=1 mod 4} d⁴ - ∑_{d∣n, n/d=3 mod 4} d⁴. A50468

Sum of 4th powers of odd divisors of n. A51001

a(n) = n⁴*∏_{distinct primes p dividing n} (1+1/p⁴). A65960

Numbers k such that k² is palindromic in base 13. A29998

a(n) = ∑_d∣n (-1)^n/d+1*d⁴. A284900

Sum of the 4th powers of the squarefree divisors of n. A351267

Sum of the 4th powers of the odd proper divisors of n. A352032

Dirichlet inverse of sigma₄ function (A001159). A53826