Properties of the Number -524800

Five Hundred Twenty-Four Thousand Eight Hundred

Basics

Value: -524801 → -524800 → -524799

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁹ × 5 ² × 41

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000000001000000000

Octal: -2001000

Duodecimal: -213854

Hexadecimal: -80200

Square: 275415040000

Square Root: 724.4308110509934

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) = ∑_d∣n φ(n/d) * (-2)^d-1. A382999

Number of (n-1)-bead black-white reversible strings; also binary grids; also row sums of Losanitsch's triangle A034851; also number of caterpillar graphs on n+2 vertices. A5418

a(n) = 2^n-1*(1+2ⁿ). A7582

a(n) = n²*(n² + 1)/2. A37270

a(n) = 4·a(n-1) - 6·a(n-2) + 4·a(n-3), n > 3, with a(0)=a(1)=a(2)=0, a(3)=1. A749

Numbers that are the sum of 3 positive 9th powers. A3392

Sum of every 4th entry of row n in Pascal's triangle, starting at binomial(n,2). A38505

T(n,k)=Number of nXk 0..5 arrays with no element x(i,j) adjacent to itself or value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order (unlabelled 6-colorings with no clashing color pairs). A233256

a(n) = 2^n-1*( 2ⁿ + (-1)ⁿ ). A3665

Number of reversible strings with n beads of 4 colors. A32121