Properties of the Number 49128

Forty-Nine Thousand One Hundred Twenty-Eight

Basics

Value: 49127 → 49128 → 49129

Parity: even

Prime: No

Previous Prime: 49123

Next Prime: 49139

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 23 × 89

Divisors: 1, 2, 3, 4, 6, 8, 12, 23, 24, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111111101000

Octal: 137750

Duodecimal: 24520

Hexadecimal: bfe8

Square: 2413560384

Square Root: 221.6483701722167

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) = 48·2ⁿ - 24. A305065

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241). A247689

Successively better denominators for estimating base 10 logs of 2, 3, 4, 5, 6, 7, 8 and 9. "Better" is defined by the RMS error of the best numerators for each given denominator. A119256

Sum of divisors of the minimal numbers (A007416). A256259

Numbers k such that prime(k+1)^prime(k+3) == prime(k) mod prime(k+2). A335571

a(n) = 2·binomial(n,2) + 3·binomial(n,3) + 4·binomial(n,4). A384852

Revert transform of x*(x - 1)²/(1 - x + x³). A49128