Properties of the Number 45280

Forty-Five Thousand Two Hundred Eighty

Basics

Value: 45279 → 45280 → 45281

Parity: even

Prime: No

Previous Prime: 45263

Next Prime: 45281

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 5 × 283

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000011100000

Octal: 130340

Duodecimal: 22254

Hexadecimal: b0e0

Square: 2050278400

Square Root: 212.79097725232617

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+7)^k. A263363

Number of semimagic quads squares that can be formed using cards from Quads-2ⁿ deck, where the first row and column are fixed. A362963

Numbers k such that 1·k + 1, 3·k + 1, 9·k + 1, 27·k + 1 are all primes. A112041

60-gonal (hexacontagonal) numbers: a(n) = n(29n - 28). A249911

a(n) = 5*(n+1)*(9·n+4). A304507

Generating function = sum over all subsets S of the integers {0,1,2...} of 1/sum(1/xⁿ for n in S). A121268

Numbers whose base-5 representation contains no 2's and exactly three 4's. A45280