Properties of the Number -32490

Thirty-Two Thousand Four Hundred Ninety

Basics

Value: -32491 → -32490 → -32489

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 19 ²

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111011101010

Octal: -77352

Duodecimal: -16976

Hexadecimal: -7eea

Square: 1055600100

Square Root: 180.24982662959764

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(n) = n²*(n² - 1)/4. A6011

a(n) = (1/4)*floor(n/2)*floor((n-1)/2)*floor((n-2)/2)*floor((n-3)/2). A28723

Poincaré series for invariant polynomial functions on the space of binary forms of degree 9. A293934

a(0) = 1; a(n) = 2 * ∑_k=1..n binomial(n,k) * a(k-1). A343523

Numbers k such that there are exactly four biquadratefree powerful numbers (A338325) between k² and (k+1)². A338391

G.f. satisfies A(x) = exp( ∑_k>=1 (3^k + A(x^k)) * x^k/k ). A363541

a(n) = ((prime(n))⁴-(prime(n))²)/4. A138420

Rounded volume of a regular octahedron with edge length n. A71400

Number of (w,x,y,z) with all terms in {0,...,n}, w even and·odd. A212766

Bisection of A006950 (the odd part). A233759