Properties of the Number 52290

Fifty-Two Thousand Two Hundred Ninety

Basics

Value: 52289 → 52290 → 52291

Parity: even

Prime: No

Previous Prime: 52289

Next Prime: 52291

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 7 × 83

Divisors: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110001000010

Octal: 146102

Duodecimal: 26316

Hexadecimal: cc42

Square: 2734244100

Square Root: 228.67006800191405

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

Amicable triples: numbers such that σ(x) = σ(y) = σ(z) = x+y+z, x<y<z. We order these triples according to the common value of σ. Sequence gives y numbers. A125491

Number of ways to write n as an ordered sum of 7 primes (counting 1 as a prime). A341986

Numbers k for which σ(k - x) + σ(k + x) = 8·k has at least one nonnegative solution. A384841

Number of matchings in the wheel graph with n spokes. A61705

Triangle T(n,k) (n >= 2, 2 <= k <= n-1 if n > 2) giving number of non-crossing trees with n nodes and k endpoints. A72247

Expansion of e.g.f. -log(1 - (exp(2·x) - 1)/2)³ / 6. A383164

Fibonacci sequence beginning 2, 19. A22119

The magic constants of most-perfect magic squares of order 6 composed of distinct prime numbers. A258755

Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = (-1)^k * [m^k] (1/2^m-n) * ∑_k=0..m kⁿ * (-1)^m * 3^m-k * binomial(m,k). A383149

Primitive terms of A023197 that are of the form 4u+2. A388020