Properties of the Number 49642

Forty-Nine Thousand Six Hundred Forty-Two

Basics

Value: 49641 → 49642 → 49643

Parity: even

Prime: No

Previous Prime: 49639

Next Prime: 49663

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 24821

Divisors: 1, 2, 24821, 49642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1100000111101010

Octal: 140752

Duodecimal: 2488A

Hexadecimal: c1ea

Square: 2464328164

Square Root: 222.80484734403782

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

Number of permutations of length n which avoid the patterns 1234, 1342, 1432. A116798

Triangle T(n, k) = coefficients of p(x,n), where p(x,n) = ((1-x)^2·n+1/xⁿ) * ∑_{j >= n} ( (2·j+1)ⁿ * binomial(j, n) * x^j ), read by rows. A156654

Expansion of x*(1 + x² - x³) / ( (1-x)*(1-x-x⁴) ). A168639

Numbers k such that the number of divisors of k does not divide the sum of divisors of k. A49642