Properties of the Number 49626

Forty-Nine Thousand Six Hundred Twenty-Six

Basics

Value: 49625 → 49626 → 49627

Parity: even

Prime: No

Previous Prime: 49613

Next Prime: 49627

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 919

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 919, 1838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100000111011010

Octal: 140732

Duodecimal: 24876

Hexadecimal: c1da

Square: 2462739876

Square Root: 222.76893858884367

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

a(n) = Sum{k=0..n} binomial(n,k)²*C(k), where C() = A000108() are the Catalan numbers. A86618

Numbers k > 1 such that, in base 5, k and k² contain the same digits in the same proportion. A61659

Half the number of 0..n arrays of length 4 with second differences nonzero. A212783

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood. A270085

Convolution of A000009 and A000290. A360487

Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of xⁿ*y^k in f(x,y) that satisfies f(x,y) = 1/((1-x)(1-y)) + xy·f(x,y)². A86617

a(n) = T(n,4), array T as in A049615. A49626