Properties of the Number 47492

Forty-Seven Thousand Four Hundred Ninety-Two

Basics

Value: 47491 → 47492 → 47493

Parity: even

Prime: No

Previous Prime: 47491

Next Prime: 47497

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 31 × 383

Divisors: 1, 2, 4, 31, 62, 124, 383, 766, 1532, 11873

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011100110000100

Octal: 134604

Duodecimal: 23598

Hexadecimal: b984

Square: 2255490064

Square Root: 217.92659314549016

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

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,0 0,1 1,0 or -1,-2. A264285

Number of espalier polycubes of a given volume in dimension 3. A229915

Sum over each antidiagonal of A248017. A248027

Number of 3-regular bipartitions of n. A328547

Let u(1)=u(2)=1, u(3)=2n, u(k) = abs(u(k-1)-u(k-2)-u(k-3)) and M(k) = Max_i<=i<=k u(i), then for any k >= A078109(n), M(k) = floor(sqrt(k + a(n))). A78108

Numbers k such that σ(σ(σ(k))) == 6*σ(k). A67065

Number of (n+1)X(5+1) arrays of permutations of 0..n·6+5 with each element having directed index change 0,0 0,1 1,0 or -1,-2. A264282

Number of (4+1)X(n+1) arrays of permutations of 0..n·5+4 with each element having directed index change 0,0 0,1 1,0 or -1,-2. A264288

Numbers that are congruent to {0, 4, 5, 7} mod 8. A47492