Properties of the Number 25470

Twenty-Five Thousand Four Hundred Seventy

Basics

Value: 25469 → 25470 → 25471

Parity: even

Prime: No

Previous Prime: 25469

Next Prime: 25471

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 283

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001101111110

Octal: 61576

Duodecimal: 128A6

Hexadecimal: 637e

Square: 648720900

Square Root: 159.59323293924464

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 connected components of n faces of the truncated cuboctahedron up to the 48 rotations and reflections of the truncated cuboctahedron. A384071

Row lengths of table A174382. A240508

G.f.: (∑_k>=1 x^k/(1-x^k) * ∏_k>=1 1/(1-x^k) )². A305120

Number of distinct solutions of sum{i=1..5}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1. A180776

Molecular topological indices of the web graphs. A192850

The number of binary heaps on n elements whose breadth-first search reading word avoids 321. A246829

Numbers k sandwiched between twin primes, such that k times the reverse of k is also sandwiched between twin primes. A357076

T(n,k)=number of distinct solutions of sum{i=1..k}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1. A180782

Expansion of 1/((1-2x)(1-3x)(1-4x)(1-9x)). A25470