Properties of the Number 48490

Forty-Eight Thousand Four Hundred Ninety

Basics

Value: 48489 → 48490 → 48491

Parity: even

Prime: No

Previous Prime: 48487

Next Prime: 48491

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 13 × 373

Divisors: 1, 2, 5, 10, 13, 26, 65, 130, 373, 746

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011110101101010

Octal: 136552

Duodecimal: 2408A

Hexadecimal: bd6a

Square: 2351280100

Square Root: 220.20445045457188

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 nXk 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally. A229380

Number of convex polyominoes with a 3 X n+1 minimal bounding rectangle. A93119

a(n) = floor(8ⁿ/3ⁿ). A94976

Number of nX3 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally. A229375

Number of nX5 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally. A229377

a(0)=1, a(n) = a(n-1) - ∑_k=2..n μ(k) * a(n-k), where μ(k) is the Moebius function of k. A72810

Integers n such that 8·10ⁿ+21 is prime. A111022

a(n) = T(7,n), array T given by A048483. A48490