Properties of the Number 52480

Fifty-Two Thousand Four Hundred Eighty

Basics

Value: 52479 → 52480 → 52481

Parity: even

Prime: No

Previous Prime: 52457

Next Prime: 52489

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁸ × 5 × 41

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110100000000

Octal: 146400

Duodecimal: 26454

Hexadecimal: cd00

Square: 2754150400

Square Root: 229.08513701242165

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

Exponential Riordan array (1, arcsin(x)). A385343

Central factorial numbers: unsigned 1st subdiagonal of A182867. A2455

Numbers n which when converted to base 3, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded. A91077

Numbers n which when converted to base 9, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded. A91083

Numbers of the form p⁸*q·r where p, q, and r are distinct primes. A179747

a(n) = (1/n) * ∑_{d divides n} (-1)^n+d*φ(n/d)*2^d. A74763

Triangle T(n,k) defined by the generating function: exp(y·arcsin(x))-1 = ∑_n>=1 (∑_k=1..n T(n,k)*y^k)*xⁿ/n!. A121408

Triangle read by rows: row n gives coefficients in expansion of ∏_i=1..n (x - (2i)²), highest powers first. A182867

Triangle read by rows: coefficients in expansion of Q(n) = (x-n²)*(x-(n-2)²)*(x-(n-4)²)*...*(x-(1 or 2)²), highest powers first. A182971

Number of partitions p of n such that the number of parts is not a part and max(p) - min(p) is not a part. A241385