Properties of the Number -220616

Two Hundred Twenty Thousand Six Hundred Sixteen

Basics

Value: -220617 → -220616 → -220615

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 11 × 23 × 109

Divisors: 1, 2, 4, 8, 11, 22, 23, 44, 46, 88

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101110111001000

Octal: -656710

Duodecimal: -A7808

Hexadecimal: -35dc8

Square: 48671419456

Square Root: 469.6977751703748

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 k such that σ(k) = ψ(k) + φ(k). A389478

Numbers n such that σ(n) = 5*φ(n). A136547

Numbers k such that φ(k) = σ(core(k)) where φ(k) is the Euler totient function, σ(k) the sum of divisors of k and core(k) the squarefree part of k (the smallest integer such that k·core(k) is a square). A69552