Properties of the Number 72250

Seventy-Two Thousand Two Hundred Fifty

Basics

Value: 72249 → 72250 → 72251

Parity: even

Prime: No

Previous Prime: 72229

Next Prime: 72251

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 ³ × 17 ²

Divisors: 1, 2, 5, 10, 17, 25, 34, 50, 85, 125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10001101000111010

Octal: 215072

Duodecimal: 3598A

Hexadecimal: 11a3a

Square: 5220062500

Square Root: 268.79360111431225

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

Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 17 ways. A97239

Numbers k such that k | 13^k + 1. A15963

Starts of runs of 4 consecutive numbers that have mutually distinct exponents in their prime factorization (A130091). A342030

a(n) = ∑_k=1..n σ( (n/gcd(k,n))² ). A372227

Numbers that are representable in at least two ways as sums of four distinct nonvanishing cubes. A259060

Indices of primes in A266891. A304210

a(n) = floor(volume of 4-sphere of radius n). A210519

The smallest number k that can be partitioned in n ways as the sum of two numbers from A020487. A369384

Related to cyclotomic numbers of hypergraphs. A72250