Properties of the Number 54740

Fifty-Four Thousand Seven Hundred Forty

Basics

Value: 54739 → 54740 → 54741

Parity: even

Prime: No

Previous Prime: 54727

Next Prime: 54751

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 7 × 17 × 23

Divisors: 1, 2, 4, 5, 7, 10, 14, 17, 20, 23

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101010111010100

Octal: 152724

Duodecimal: 27818

Hexadecimal: d5d4

Square: 2996467600

Square Root: 233.9658094679648

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

Sum of the first n even squares: a(n) = 2·n*(n+1)*(2·n+1)/3. A2492

Expansion of 1/((1-x)⁵ - x⁵). A49016

a(n) = ∑_{k >= 0} binomial(n,5·k+4). A139761

Closed walks of length n along the edges of a pentagon based at a vertex. A54877

G.f.: ∑_k>=1 x^k/(1-x^k) * ∏_k>=1 (1+x^k)/(1-x^k). A305102

Expansion of ∏_k>=1 (1 - x^k * (1 + k·x)). A336978

Binomial coefficient C(7n,n-7). A4375

Greedy-summable tetrahedral numbers. A242291

Binomial coefficients C(70,n). A17786

Number of closed walks of length 2n at a vertex of the cyclic graph on 10 nodes C₁₀. A95929