Properties of the Number 49140

Forty-Nine Thousand One Hundred Forty

Basics

Value: 49139 → 49140 → 49141

Parity: even

Prime: No

Previous Prime: 49139

Next Prime: 49157

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 5 × 7 × 13

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111111110100

Octal: 137764

Duodecimal: 24530

Hexadecimal: bff4

Square: 2414739600

Square Root: 221.67543842293398

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) = n*(2ⁿ - 1). A66524

Alkane (or paraffin) numbers l(8,n). A5995

Number of additive Z₂ Z₈ codes of a certain type (see Siap-Aydogdu for precise definition). A226264

Number of reversible strings with n-1 beads of 2 colors. 5 beads are black. String is not palindromic. A32092

Triangle T(n,k) defined by ∑_k=1..n T(n,k)*u^k*xⁿ/n! = ∏_j>0 (1-x^j)^-u/j. A338805

One half of binomial coefficients C(2·n-4,5). A53132

Numbers k such that the total number of 1's in the binary expansion of all the divisors of k sets a new record. A93687

θ series of A₈ lattice. A8448

Even order Taylor expansion coefficients at x=0 of exp(exp(x²/2)-1), odd order coefficients being equal to zero. A81066

Numbers with prime factorization p·q*r·s²*t³ (where p, q, r, s, t are distinct primes). A190111