Base | Representation |
---|---|
bin | 111000111101… |
… | …010010110001 |
3 | 1001002120122111 |
4 | 320331102301 |
5 | 12310243441 |
6 | 1252005321 |
7 | 240624652 |
oct | 70752261 |
9 | 31076574 |
10 | 14931121 |
11 | 8478a77 |
12 | 5000841 |
13 | 312a1aa |
14 | 1da9529 |
15 | 149e081 |
hex | e3d4b1 |
14931121 has 4 divisors (see below), whose sum is σ = 14944500. Its totient is φ = 14917744.
The previous prime is 14931109. The next prime is 14931149. The reversal of 14931121 is 12113941.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14714896 + 216225 = 3836^2 + 465^2 .
It is a cyclic number.
It is not a de Polignac number, because 14931121 - 25 = 14931089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 14931092 and 14931101.
It is not an unprimeable number, because it can be changed into a prime (14991121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4846 + ... + 7303.
It is an arithmetic number, because the mean of its divisors is an integer number (3736125).
Almost surely, 214931121 is an apocalyptic number.
It is an amenable number.
14931121 is a deficient number, since it is larger than the sum of its proper divisors (13379).
14931121 is a wasteful number, since it uses less digits than its factorization.
14931121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13378.
The product of its digits is 216, while the sum is 22.
The square root of 14931121 is about 3864.0808738949. The cubic root of 14931121 is about 246.2431387714.
The spelling of 14931121 in words is "fourteen million, nine hundred thirty-one thousand, one hundred twenty-one".
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