Properties of the Number 74550

Seventy-Four Thousand Five Hundred Fifty

Basics

Value: 74549 → 74550 → 74551

Parity: even

Prime: No

Previous Prime: 74531

Next Prime: 74551

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 7 × 71

Divisors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001100110110

Octal: 221466

Duodecimal: 37186

Hexadecimal: 12336

Square: 5557702500

Square Root: 273.03845882952095

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

Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=13. A135198

Expansion of ∏_k>=1 1 / (1 - x^k)^{6^(k-1}). A343351

a(n) = ∑_k=0..n 2^k * 3^n-k * binomial(n+1,k) * binomial(n+1,n-k). A387368

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 26. A31704

a(n) = 441·n² + 21. A158603

a(n) = 169·n² + n. A173275

Coefficients of (x^1/4*d/dx)ⁿ for n positive integer. A223534

Array read by ascending antidiagonals: T(n, k) = P(n, k) where P(n, x) are the scaled Mandelbrot-Larsen polynomials defined in A347928. A348686

Expansion of 1/x-4/(-sqrt(x²-10·x+1)-x+1)-3. A239488

a(n) = 3ⁿ + 4ⁿ + 8ⁿ. A74550