Properties of the Number 49060

Forty-Nine Thousand Sixty

Basics

Value: 49059 → 49060 → 49061

Parity: even

Prime: No

Previous Prime: 49057

Next Prime: 49069

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 11 × 223

Divisors: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111110100100

Octal: 137644

Duodecimal: 24484

Hexadecimal: bfa4

Square: 2406883600

Square Root: 221.49492093499572

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

Number of secondary alcohols (alkanols or alkyl alcohols C_n H_2n+1 OH) with n carbon atoms. A599

Consider a non-palindromic number of k digits n = d_k*10^k-1 + d_k-1*10^k-2 + … + d₂*10 + d₁. Sequence lists the numbers n such that ∑_i=1..k-1{φ(∑_j=1..i{d_j*10^j-1})} = ∑_i=1..k-1{φ(∑_j=1..i{d_k-j+1*10^i-j})} (see example below). A241503

G.f. A(x,y) = ∑_n>=0 xⁿ/(1-y)^2·n+1 * ∑_k=0..3·n T(n,k)*y^k satisfies: y = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1/2) * A(x,y)ⁿ. A355870

Position of cubes in the EKG sequence (A064413). A140418

A functionally symmetric Polynomial as a triangle of coefficients: p(x,n)=If[n == 0, 1, (x + 1)ⁿ + 2^{n - 3}*Sum[(3^m-1 + 2·m+(n-1) )*x^m*(1 + x^{n - 2·m}), {m, 1, n - 1}]]. A146959

a(n) = (-1)^ω(n)*∑_d∣n d*(-1)^ω(d), where ω(n) = A001221(n) is number of distinct primes dividing n. A49060