Properties of the Number 57022

Fifty-Seven Thousand Twenty-Two

Basics

Value: 57021 → 57022 → 57023

Parity: even

Prime: No

Previous Prime: 56999

Next Prime: 57037

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 4073

Divisors: 1, 2, 7, 14, 4073, 8146, 28511, 57022

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010111110

Octal: 157276

Duodecimal: 28BBA

Hexadecimal: debe

Square: 3251508484

Square Root: 238.79279721130618

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

Signed recurrence over strict trees: a(n) = -1 + ∑_{y1 + ... + yk = n, y1 > ... > yk > 0, k > 1} a(y1) * ... * a(yk). A300864

Number of asymmetric mobiles (circular rooted trees) with n nodes and 3 leaves. A55364

Coefficients in the expansion of ([s] + [2s]x + [3s]x² + ...)/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = sqrt(2), s = r/(1-r). A279631

a(n) = floor((sum of divisors of n) / (number of divisors of n)), or floor(sigma₁(n)/sigma₀(n)). A57022