Properties of the Number 74478

Seventy-Four Thousand Four Hundred Seventy-Eight

Basics

Value: 74477 → 74478 → 74479

Parity: even

Prime: No

Previous Prime: 74471

Next Prime: 74489

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 12413

Divisors: 1, 2, 3, 6, 12413, 24826, 37239, 74478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001011101110

Octal: 221356

Duodecimal: 37126

Hexadecimal: 122ee

Square: 5546972484

Square Root: 272.9065774216518

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

Largest prime factor of 5ⁿ + 1. A74478

a(n) is the smallest number k such that prime(k) == 2·n-1 (mod φ(k)). A71169