Base | Representation |
---|---|
bin | 110100111110… |
… | …111001101010 |
3 | 222010122022020 |
4 | 310332321222 |
5 | 12023423010 |
6 | 1213405310 |
7 | 226025043 |
oct | 64767152 |
9 | 28118266 |
10 | 13889130 |
11 | 7927122 |
12 | 4799836 |
13 | 2b53b28 |
14 | 1bb78ca |
15 | 1345470 |
hex | d3ee6a |
13889130 has 32 divisors (see below), whose sum is σ = 33493824. Its totient is φ = 3686016.
The previous prime is 13889089. The next prime is 13889143. The reversal of 13889130 is 3198831.
It is a junction number, because it is equal to n+sod(n) for n = 13889091 and 13889100.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5997 + ... + 7983.
It is an arithmetic number, because the mean of its divisors is an integer number (1046682).
Almost surely, 213889130 is an apocalyptic number.
13889130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13889130 is an abundant number, since it is smaller than the sum of its proper divisors (19604694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13889130 is a wasteful number, since it uses less digits than its factorization.
13889130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2230.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 13889130 is about 3726.8123108093. The cubic root of 13889130 is about 240.3763193461.
The spelling of 13889130 in words is "thirteen million, eight hundred eighty-nine thousand, one hundred thirty".
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