Properties of the Number 78472

Seventy-Eight Thousand Four Hundred Seventy-Two

Basics

Value: 78471 → 78472 → 78473

Parity: even

Prime: No

Previous Prime: 78467

Next Prime: 78479

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 17 × 577

Divisors: 1, 2, 4, 8, 17, 34, 68, 136, 577, 1154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: 10011001010001000

Octal: 231210

Duodecimal: 394B4

Hexadecimal: 13288

Square: 6157854784

Square Root: 280.12854192316786

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

Expansion of (1+4·x+x²)/((1+x)²*(1-x)⁵). A233329

Solutions·to the negative Pell equation y² = 72·x² - 1331712 with x,y >= 0. A281241

Denominators of continued fraction convergents to sqrt(72). A41127

Denominators of continued fraction convergents to sqrt(648). A42245

a(n) = (1/24)*(n+1)*(n+3)*(n²+22·n+88). A90950

Partial sums of A035282. A78472