Properties of the Number 90768

Ninety Thousand Seven Hundred Sixty-Eight

Basics

Value: 90767 → 90768 → 90769

Parity: even

Prime: No

Previous Prime: 90749

Next Prime: 90787

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 31 × 61

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 31

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001010010000

Octal: 261220

Duodecimal: 44640

Hexadecimal: 16290

Square: 8238829824

Square Root: 301.27728092240875

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) = 2ⁿ*∏_{k=1..floor((n-1)/2)} (1 + 2·cos(k*π/n)² + 4·cos(k*π/n)⁴). A152090

Numbers whose sum of divisors is the square of one of their divisors. A303123

Numbers k such that σ(k) divides k². A90777

Integers n such that A249670(n) = n. A249671

Weight distribution of [124,62,20] double circulant code. A131353

a(n) = 4·7^n²+2n+1*∏_j=1..n (49^j-1). A90768