Properties of the Number 74530

Seventy-Four Thousand Five Hundred Thirty

Basics

Value: 74529 → 74530 → 74531

Parity: even

Prime: No

Previous Prime: 74527

Next Prime: 74531

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 29 × 257

Divisors: 1, 2, 5, 10, 29, 58, 145, 257, 290, 514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001100100010

Octal: 221442

Duodecimal: 3716A

Hexadecimal: 12322

Square: 5554720900

Square Root: 273.00183149568795

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

Denominators of the first differences of 1/(n² + 1). A33466

Table of number of domino tilings of generalized Aztec pillows of type (1, ..., 1, 3, 1, ..., 1)_n. A112830

a(n) = n⁴/8 + (5·n³)/12 - n²/8 - (5·n)/12 + 1. A226639

Integers of the form k² + 1, where k >= 1, that are the product of two other integers of the form k² + 1, where k >= 1. A372496

Numbers k such that k-1 is a perfect square and k+1 is prime. A392249

a(n) = 2ⁿ + 3ⁿ + 8ⁿ. A74530