Properties of the Number 52390

Fifty-Two Thousand Three Hundred Ninety

Basics

Value: 52389 → 52390 → 52391

Parity: even

Prime: No

Previous Prime: 52387

Next Prime: 52391

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 13 ² × 31

Divisors: 1, 2, 5, 10, 13, 26, 31, 62, 65, 130

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110010100110

Octal: 146246

Duodecimal: 2639A

Hexadecimal: cca6

Square: 2744712100

Square Root: 228.8886192015671

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

Convolution of Fibonacci F(n+1), n >= 0, with F(n+3), n >= 0. A67331

Third column of triangle A054453. A54454

Numbers k such that σ(k) = ψ(k) + τ(k)². A390296

a(n) = a(n-1) + a(n-2) + F(n), with a(0) = 0, a(1) = 1, a(2) = a(1) + a(0), a(3) = a(2) + a(1), a(4) = a(3) + a(2) + 2. A166106

Consider the partitions of n in reverse lexicographic ordering (A080577), a(n) is the position of the partition of n which has the maximum LCM. See A000793. A213952

a(0)=1; a(1)=2; a(n+1) = 2·n*a(n) - a(n-1) for n >= 1. A93856

a(n) = 2·a(n-1) + a(n-2) - 2·a(n-3) - a(n-4) for n>3, a(0)=a(1)=a(3)=0, a(2)=1. A240847

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 931", based on the 5-celled von Neumann neighborhood. A273790

Triangle read by rows. T(n,k) is the number of invertible n X n matrices over GF(2) such that the dimension of the eigenspace corresponding to eigenvalue 1 is k, 0 <= k <= n, n >= 0. A346381

Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260367