Base | Representation |
---|---|
bin | 110100111110… |
… | …111001100111 |
3 | 222010122022010 |
4 | 310332321213 |
5 | 12023423002 |
6 | 1213405303 |
7 | 226025040 |
oct | 64767147 |
9 | 28118263 |
10 | 13889127 |
11 | 792711a |
12 | 4799833 |
13 | 2b53b25 |
14 | 1bb78c7 |
15 | 134546c |
hex | d3ee67 |
13889127 has 16 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 7786272.
The previous prime is 13889089. The next prime is 13889143. The reversal of 13889127 is 72198831.
It is not a de Polignac number, because 13889127 - 26 = 13889063 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13889177) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5127 + ... + 7352.
It is an arithmetic number, because the mean of its divisors is an integer number (1347840).
Almost surely, 213889127 is an apocalyptic number.
13889127 is a deficient number, since it is larger than the sum of its proper divisors (7676313).
13889127 is a wasteful number, since it uses less digits than its factorization.
13889127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12542.
The product of its digits is 24192, while the sum is 39.
The square root of 13889127 is about 3726.8119083206. The cubic root of 13889127 is about 240.3763020393.
The spelling of 13889127 in words is "thirteen million, eight hundred eighty-nine thousand, one hundred twenty-seven".
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