Base | Representation |
---|---|
bin | 110010100101… |
… | …000000100100 |
3 | 220221121122020 |
4 | 302211000210 |
5 | 11343240123 |
6 | 1152103140 |
7 | 220461234 |
oct | 62450044 |
9 | 26847566 |
10 | 13258788 |
11 | 7536584 |
12 | 4534ab0 |
13 | 2992c4a |
14 | 1a91cc4 |
15 | 126d7e3 |
hex | ca5024 |
13258788 has 12 divisors (see below), whose sum is σ = 30937200. Its totient is φ = 4419592.
The previous prime is 13258783. The next prime is 13258801. The reversal of 13258788 is 88785231.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (13258781) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552438 + ... + 552461.
It is an arithmetic number, because the mean of its divisors is an integer number (2578100).
Almost surely, 213258788 is an apocalyptic number.
It is an amenable number.
13258788 is an abundant number, since it is smaller than the sum of its proper divisors (17678412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13258788 is a wasteful number, since it uses less digits than its factorization.
13258788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1104906 (or 1104904 counting only the distinct ones).
The product of its digits is 107520, while the sum is 42.
The square root of 13258788 is about 3641.2618691877. The cubic root of 13258788 is about 236.6834778334.
The spelling of 13258788 in words is "thirteen million, two hundred fifty-eight thousand, seven hundred eighty-eight".
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