Properties of the Number 54778

Fifty-Four Thousand Seven Hundred Seventy-Eight

Basics

Value: 54777 → 54778 → 54779

Parity: even

Prime: No

Previous Prime: 54773

Next Prime: 54779

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 61 × 449

Divisors: 1, 2, 61, 122, 449, 898, 27389, 54778

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101010111111010

Octal: 152772

Duodecimal: 2784A

Hexadecimal: d5fa

Square: 3000629284

Square Root: 234.04700382615454

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

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = -2, a(1) = -1, a(2) = 0, a(3) = 1. A295861

Numbers k such that sopfr(k) = τ(k)³. A305349

a(n) = 32·n² - 40·n + 10. A343578

a(n) = 5n*(5n-1)*(5n-2)*(5n-3)*(5n-4). A54778