Properties of the Number -387744

Three Hundred Eighty-Seven Thousand Seven Hundred Forty-Four

Basics

Value: -387745 → -387744 → -387743

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ⁵ × 3 × 7 × 577

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1011110101010100000

Octal: -1365240

Duodecimal: -168480

Hexadecimal: -5eaa0

Square: 150345409536

Square Root: 622.6909345734848

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

A(x) satisfies A005408(x) = A(x)/A(x²), A005408 = odd numbers. A173283

a(n) = ∑_k=0..n 2^k * 3^n-k * binomial(k+6,6) * binomial(2·k,2*(n-k)). A391779