Properties of the Number 474

Four Hundred Seventy-Four

Basics

Value: 473 → 474 → 475

Parity: even

Prime: No

Previous Prime: 467

Next Prime: 479

Digit Sum: 15

Digital Root: 6

Palindrome: Yes

Factorization: 2 × 3 × 79

Divisors: 1, 2, 3, 6, 79, 158, 237, 474

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011010

Octal: 732

Duodecimal: 336

Hexadecimal: 1da

Square: 224676

Square Root: 21.77154105707724

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

Palindromes in base 10. A2113

Sum of totient function: a(n) = ∑_k=1..n φ(k), cf. A000010. A2088

9-gonal (or enneagonal or nonagonal) numbers: a(n) = n*(7·n-5)/2. A1106

Number of partitions of n into distinct and relatively prime parts. A78374

Infinite sequence starting with a(0)=0 such that A049820(a(k)) = a(k-1) for all k>=1, where A049820(n) = n - (number of divisors of n). A259934

Record gaps between primes. A5250

Primitive abundant numbers: abundant numbers (A005101) having no abundant proper divisor. A91191

Untouchable numbers, also called nonaliquot numbers: impossible values for the sum of aliquot parts function (A001065). A5114

Number of partitions of n such that no part is a sum of two or more other parts. A237667

Generalized 9-gonal (or enneagonal) numbers: m*(7·m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A118277