Properties of the Number 49978

Forty-Nine Thousand Nine Hundred Seventy-Eight

Basics

Value: 49977 → 49978 → 49979

Parity: even

Prime: No

Previous Prime: 49957

Next Prime: 49991

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 2 × 24989

Divisors: 1, 2, 24989, 49978

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001100111010

Octal: 141472

Duodecimal: 24B0A

Hexadecimal: c33a

Square: 2497800484

Square Root: 223.55759884199867

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 subsets of {1..n} containing n such that every subset has a different sum. A325866

Numbers k that divide prime(k²) - 1. A67852

Number of nX1 0..5 arrays with every element value z a city block distance of exactly z from another element value z. A208957

Expansion of e.g.f. sin(x)*sin(sinh(x))/2 (even powers only). A24230

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n-1 <= 2^p+1, with a(1) = 1, a(2) = 3, and a(3) = 4. A49978

Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 and no column sum 0. A254973