Properties of the Number 70190

Seventy Thousand One Hundred Ninety

Basics

Value: 70189 → 70190 → 70191

Parity: even

Prime: No

Previous Prime: 70183

Next Prime: 70199

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 7019

Divisors: 1, 2, 5, 10, 7019, 14038, 35095, 70190

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001000101110

Octal: 211056

Duodecimal: 34752

Hexadecimal: 1122e

Square: 4926636100

Square Root: 264.93395403383084

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 φ(k) = σ(k+1) - σ(k-1). A66155

a(n) = gpf(a(n-3))*gpf(a(n-2)) + gpf(a(n-1)), with a(1)=a(2)=1 and a(3)=2 and where gpf(n) is the greatest prime dividing n, A006530(n). A258804

G.f. satisfies A(x) = 1 + x*(1 + 1/A(x)³). A364407

Expansion of e.g.f. I₀(2·x)⁵ + 2*∑_k>=1 I_k(2·x)⁵, where I_n(z) are modified Bessel functions of order n. A70190