Base | Representation |
---|---|
bin | 101111101011… |
… | …101010101001 |
3 | 212112001021002 |
4 | 233223222221 |
5 | 11144442000 |
6 | 1123524345 |
7 | 211150025 |
oct | 57535251 |
9 | 25461232 |
10 | 12499625 |
11 | 7068176 |
12 | 42296b5 |
13 | 2788538 |
14 | 1935385 |
15 | 116d8d5 |
hex | bebaa9 |
12499625 has 24 divisors (see below), whose sum is σ = 16523208. Its totient is φ = 9439200.
The previous prime is 12499589. The next prime is 12499631. The reversal of 12499625 is 52699421.
12499625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1819801 + 10679824 = 1349^2 + 3268^2 .
It is not a de Polignac number, because 12499625 - 26 = 12499561 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44987 + ... + 45263.
It is an arithmetic number, because the mean of its divisors is an integer number (688467).
Almost surely, 212499625 is an apocalyptic number.
It is an amenable number.
12499625 is a deficient number, since it is larger than the sum of its proper divisors (4023583).
12499625 is an equidigital number, since it uses as much as digits as its factorization.
12499625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 330 (or 301 counting only the distinct ones).
The product of its digits is 38880, while the sum is 38.
The square root of 12499625 is about 3535.4808725264. The cubic root of 12499625 is about 232.0771208630.
The spelling of 12499625 in words is "twelve million, four hundred ninety-nine thousand, six hundred twenty-five".
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