Properties of the Number 49780

Forty-Nine Thousand Seven Hundred Eighty

Basics

Value: 49779 → 49780 → 49781

Parity: even

Prime: No

Previous Prime: 49757

Next Prime: 49783

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 19 × 131

Divisors: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001001110100

Octal: 141164

Duodecimal: 24984

Hexadecimal: c274

Square: 2478048400

Square Root: 223.11432047271194

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

Triangle of 2-Eulerian numbers. A144696

Number of (w,x,y,z) with all terms in {1,...,n} and w<|x-y|+|y-z|. A212692

Number of planar strictly 2-connected graphs on n edges. A289471

Array T, read by descending antidiagonals: T(n, k) = k*(2·n + k + 1)/2 for n, k >= 0. A49780

a(n) = n⁹ - n⁸. A240932

a(n) = n⁸*(n + 1)/2. A168675