Properties of the Number 57512

Fifty-Seven Thousand Five Hundred Twelve

Basics

Value: 57511 → 57512 → 57513

Parity: even

Prime: No

Previous Prime: 57503

Next Prime: 57527

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 7 × 13 × 79

Divisors: 1, 2, 4, 7, 8, 13, 14, 26, 28, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000010101000

Octal: 160250

Duodecimal: 29348

Hexadecimal: e0a8

Square: 3307630144

Square Root: 239.81659658997748

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

Triangle of a(n,k) = number of minimal covers of an n-set that cover k points of that set uniquely (n >= 1, k >= 1). A35347

a(n) = ∑_k=1..n (-1)^k+1 * floor(n/k)³. A344721

Triangular array read by rows. T(n,k) is the number of minimal covers of an n-set with exactly k points that are in more than one set of the cover, n>=0, 0<=k<=max(0,n-2). A282575

a(n) is the number of ways to partition an n X n X n cube into four noncongruent cuboids of different volumes. A385580

Number of minimal covers of an n-set that cover exactly 3 points uniquely. A3467

Row sums of triangle defined in A059226. A59228

Numbers with no 1's in their base-3, base-4, and base-5 expansions. Intersection of A005823, A023709, and A023725. A117482

Permutation of natural numbers: rotations of all branches of the rooted plane trees encoded by A014486. (to opposite direction of A057511). A57512