Properties of the Number 49450

Forty-Nine Thousand Four Hundred Fifty

Basics

Value: 49449 → 49450 → 49451

Parity: even

Prime: No

Previous Prime: 49433

Next Prime: 49451

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 ² × 23 × 43

Divisors: 1, 2, 5, 10, 23, 25, 43, 46, 50, 86

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000100101010

Octal: 140452

Duodecimal: 2474A

Hexadecimal: c12a

Square: 2445302500

Square Root: 222.37355957937086

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 sets in the geometry determined by the Hausdorff metric at each location between two sets defined by a complete bipartite graph K(3,n) (with n at least 4) missing three edges, where exactly two removed edges are incident to the same vertex in the 3-point set and exactly two removed edges are incident to the same vertex in the other set. A343372

a(n) = n*(n + 1)*(n + 2)*(3·n + 17)/24. A241765

Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant in the closed interval [-n,n]. A211031

a(n) = A192525(n)/2. A192526

a(n) = ∑_{k=1..floor(n/2)} H_k * (n-k)!, where H_k = ∑_j=1..k 1/j. A109719

Pentagonal numbers multiplied by 2: a(n) = n*(3·n-1). A49450