Properties of the Number 50648

Fifty Thousand Six Hundred Forty-Eight

Basics

Value: 50647 → 50648 → 50649

Parity: even

Prime: No

Previous Prime: 50647

Next Prime: 50651

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 13 × 487

Divisors: 1, 2, 4, 8, 13, 26, 52, 104, 487, 974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100010111011000

Octal: 142730

Duodecimal: 25388

Hexadecimal: c5d8

Square: 2565219904

Square Root: 225.05110530721683

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

Number of regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention). A306302

a(n) = ∑_r=0..n-1 ∑_s=r+1..n s! * r^n-s. A190194

a(n+1) is next smallest cube ending with a(n), initial term is 8. A50648

Indices n of Riemann ζ zeros for successive records of the normalized δ defined as d(n) = (z(n+1)-z(n))*(log(z(n)/(2Pi))/(2Pi)) where z(n) is the imaginary part of the n-th Riemann zero. A329742