Properties of the Number 48645

Forty-Eight Thousand Six Hundred Forty-Five

Basics

Value: 48644 → 48645 → 48646

Parity: odd

Prime: No

Previous Prime: 48623

Next Prime: 48647

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 23 × 47

Divisors: 1, 3, 5, 9, 15, 23, 45, 47, 69, 115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111000000101

Octal: 137005

Duodecimal: 24199

Hexadecimal: be05

Square: 2366336025

Square Root: 220.55611530855361

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

a(n) = n*(2·n-1)*(2·n+1). A35328

Denominator of sum of reciprocals of first n pentatope numbers A000332. A118412

Number of n-node rooted unlabeled trees with exactly 3 edges at root and otherwise out-degree <= 2. A36658

Number of (w,x,y,z) with all terms in {1,...,n} and w < harmonic mean of {x,y,z}. A212106

Smallest fixed points (>0) of the base-2·n Kaprekar map. A319839

Numbers k such that 5·10^k + 11 is prime. A309774

Integers with one or two 1-bits in their binary expansion. A48645