Properties of the Number 28392

Twenty-Eight Thousand Three Hundred Ninety-Two

Basics

Value: 28391 → 28392 → 28393

Parity: even

Prime: No

Previous Prime: 28387

Next Prime: 28393

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 13 ²

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 13, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011101000

Octal: 67350

Duodecimal: 14520

Hexadecimal: 6ee8

Square: 806105664

Square Root: 168.49925815860436

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) = n*(n-1)²*(n-2). A47928

When expressed in base 3 and then interpreted in base 7, is a multiple of the original number. A62884

Numbers k such that σ (x) = k has exactly 11 solutions. A60678

Coefficients in q-expansion of (3·E₂*E₄ - 2·E₆ - E₂³)/1728, where E₂, E₄, E₆ are the Eisenstein series shown in A006352, A004009, A013973, respectively. A282097

a(n) = n²*(n+1)²*(n+2)/12. A4302

Partial sums of A051836. A51923

a(n) = (n-th prime)⁴-(n-th prime)². A138402

a(n) = ∑_k=1..n μ(k)*k³. A336277

Number T(n,k) of n-step walks on cubic lattice starting at (0,0,0), ending at (0,k,n-k) and using steps (0,0,1), (0,1,0), (1,0,0), (-1,1,1), (1,-1,1), and (1,1,-1); triangle T(n,k), n>=0, 0<=k<=n, read by rows. A328347

Partial sums of A051798. A51879