Properties of the Number 72650

Seventy-Two Thousand Six Hundred Fifty

Basics

Value: 72649 → 72650 → 72651

Parity: even

Prime: No

Previous Prime: 72649

Next Prime: 72661

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 ² × 1453

Divisors: 1, 2, 5, 10, 25, 50, 1453, 2906, 7265, 14530

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101111001010

Octal: 215712

Duodecimal: 36062

Hexadecimal: 11bca

Square: 5278022500

Square Root: 269.5366394388711

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

Triangle read by rows: T(n, k) = n! * 3^k * hypergeom([-k], [-n], 1/3). A375447

a(n) = ceiling(binomial(n,6)/n). A53643

Numbers n such that n through n+7 are divisible by the same number of distinct primes. A45936

Numbers n such that n through n+8 are divisible by the same number of distinct primes. A45937

Starting from the right (the least significant end) rewrite 0 to 0 and x1 to 1 in the binary expansion of n. A72650

Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^t+u+v) having four, six or seven distinct values for every i,j,k<=n. A211737

Number of 4Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself. A265994