Properties of the Number -45690

Forty-Five Thousand Six Hundred Ninety

Basics

Value: -45691 → -45690 → -45689

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 1523

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 1523, 3046

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011001001111010

Octal: -131172

Duodecimal: -22536

Hexadecimal: -b27a

Square: 2087576100

Square Root: 213.75219297120674

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

Array read by ascending antidiagonals, A(m, n) = ∑_k=1..m(-1)^k-n-m* hypergeom([k, k-n-m], [], 1) for m>=1 and n>=0. A292898

Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Randic index, 'χ', in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk. A125068