Base | Representation |
---|---|
bin | 101111101100… |
… | …011101101001 |
3 | 212112012201222 |
4 | 233230131221 |
5 | 11200043024 |
6 | 1123551425 |
7 | 211162400 |
oct | 57543551 |
9 | 25465658 |
10 | 12502889 |
11 | 706a673 |
12 | 422b575 |
13 | 2789b79 |
14 | 1936637 |
15 | 116e85e |
hex | bec769 |
12502889 has 12 divisors (see below), whose sum is σ = 15015168. Its totient is φ = 10369800.
The previous prime is 12502873. The next prime is 12502921. The reversal of 12502889 is 98820521.
It is not a de Polignac number, because 12502889 - 24 = 12502873 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12502829) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2597 + ... + 5634.
It is an arithmetic number, because the mean of its divisors is an integer number (1251264).
Almost surely, 212502889 is an apocalyptic number.
It is an amenable number.
12502889 is a deficient number, since it is larger than the sum of its proper divisors (2512279).
12502889 is an equidigital number, since it uses as much as digits as its factorization.
12502889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8276 (or 8269 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 35.
The square root of 12502889 is about 3535.9424486267. The cubic root of 12502889 is about 232.0973197036.
The spelling of 12502889 in words is "twelve million, five hundred two thousand, eight hundred eighty-nine".
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