Properties of the Number -387976

Three Hundred Eighty-Seven Thousand Nine Hundred Seventy-Six

Basics

Value: -387977 → -387976 → -387975

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 48497

Divisors: 1, 2, 4, 8, 48497, 96994, 193988, 387976

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011110101110001000

Octal: -1365610

Duodecimal: -168634

Hexadecimal: -5eb88

Square: 150525376576

Square Root: 622.8771949590064

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

Consider the family of multigraphs enriched by the species of involutions. Sequence gives number of those multigraphs with n loops and edges. A99697

a(n) = ∑_{k=0..floor(n/4)} binomial(2·k,k) * binomial(n-2·k-1,n-4·k). A393277