Base | Representation |
---|---|
bin | 110010001001… |
… | …011100110100 |
3 | 220201212210111 |
4 | 302021130310 |
5 | 11331132113 |
6 | 1145432404 |
7 | 216511156 |
oct | 62113464 |
9 | 26655714 |
10 | 13145908 |
11 | 7469796 |
12 | 449b704 |
13 | 2953759 |
14 | 1a62ad6 |
15 | 124a13d |
hex | c89734 |
13145908 has 24 divisors (see below), whose sum is σ = 23859360. Its totient is φ = 6333600.
The previous prime is 13145893. The next prime is 13145911. The reversal of 13145908 is 80954131.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 13145908.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11983 + ... + 13033.
It is an arithmetic number, because the mean of its divisors is an integer number (994140).
Almost surely, 213145908 is an apocalyptic number.
It is an amenable number.
13145908 is a deficient number, since it is larger than the sum of its proper divisors (10713452).
13145908 is a wasteful number, since it uses less digits than its factorization.
13145908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1167 (or 1165 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 13145908 is about 3625.7286164301. The cubic root of 13145908 is about 236.0098865915.
The spelling of 13145908 in words is "thirteen million, one hundred forty-five thousand, nine hundred eight".
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