Properties of the Number 49020

Forty-Nine Thousand Twenty

Basics

Value: 49019 → 49020 → 49021

Parity: even

Prime: No

Previous Prime: 49019

Next Prime: 49031

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 19 × 43

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111101111100

Octal: 137574

Duodecimal: 24450

Hexadecimal: bf7c

Square: 2402960400

Square Root: 221.40460699813815

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

Expansion of ∏_k>=1 1/(1-x^k)^10·k. A316462

Numbers k such that k and k² use only the digits 0, 2, 4, 6 and 9. A136905

G.f.: ∏_k>=1 1/(1-(4·x)^k)^k/2. A232977

Triangle of numbers a(n,k), 0 <= k <= n: number of set partitions of {1,2,...,n} in which exactly k of the blocks have been distinguished. A49020