Properties of the Number -630630

Six Hundred Thirty Thousand Six Hundred Thirty

Basics

Value: -630631 → -630630 → -630629

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 7 ² × 11 × 13

Divisors: 1, 2, 3, 5, 6, 7, 9, 10, 11, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011001111101100110

Octal: -2317546

Duodecimal: -264B46

Hexadecimal: -99f66

Square: 397694196900

Square Root: 794.1221568499395

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

Numbers m that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (m raised to k+1 must not be a multiple). Case k=15. A135200

G.f. A(x,y) satisfies: A(x,y) + A(1/x,y) = ∑_m>=0 (x^m + y + 1/x^m)^m, ignoring the infinite constant term; this is the triangle, read by rows, of coefficients T(n,k) of xⁿ*y^k in A(x,y) for n >= 1, k = 0..n-1. A316590

Numbers with exactly 6 distinct prime divisors {2,3,5,7,11,13}. A147573

a(n) = f(3·n)/(f(n-1)*f(n)*f(n+1)), where f(k) = k!. A248707

Irregular triangle read by rows in which the n-th row lists multinomials (A036040) for partitions of 2n which have only even parts in Abramowitz-Stegun ordering. A257490

Partition triangle read by rows. Number of ordered set partitions of the set {1, 2, ..., 2·n} with all block sizes divisible by 2. A327022

a(n) = binomial(n+4,n)*binomial(n+8,n). A105251

Triangle where the g.f. for row n equals dⁿ/dxⁿ (1+x+x²)ⁿ / n! for n>=0, as read by rows. A220178

a(n) = binomial(n+6,6) * binomial(n+10,6). A103604

Denominators of Integral_x=0..π/2 sin(2·n*x)*log(cosec(x)) dx. A225123