Properties of the Number -54870

Fifty-Four Thousand Eight Hundred Seventy

Basics

Value: -54871 → -54870 → -54869

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 31 × 59

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 31, 59

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101011001010110

Octal: -153126

Duodecimal: -27906

Hexadecimal: -d656

Square: 3010716900

Square Root: 234.24346308915432

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

Amicable triples: numbers such that σ(x) = σ(y) = σ(z) = x+y+z, x<y<z. We order these triples according to the common value of σ. Sequence gives z numbers. A125492

Principal diagonal of the convolution array A213819. A213820

a(n) = ∑_{k=1..prime(n)-1} floor(k³/prime(n)). A78837

Number of compositions of n with exactly 3 transitions between different parts. A244715

Numbers k such that 263·2^k-1 is prime. A50890