Properties of the Number 75528

Seventy-Five Thousand Five Hundred Twenty-Eight

Basics

Value: 75527 → 75528 → 75529

Parity: even

Prime: No

Previous Prime: 75527

Next Prime: 75533

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 1049

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011100001000

Octal: 223410

Duodecimal: 37860

Hexadecimal: 12708

Square: 5704478784

Square Root: 274.8235797743709

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) = 2*(n-1)*a(n-1)+(n-1)*a(n-2) with a(0)=0, a(1)=1. A108205

Number of permutations of length n which avoid the patterns 2341, 3214, 4132. A116794

Triangular numbers that are half other triangular numbers. A75528