Base | Representation |
---|---|
bin | 110000001011… |
… | …000000111001 |
3 | 212202120101122 |
4 | 300023000321 |
5 | 11213044100 |
6 | 1130355025 |
7 | 212223254 |
oct | 60130071 |
9 | 25676348 |
10 | 12628025 |
11 | 7145693 |
12 | 428ba75 |
13 | 2801b07 |
14 | 196a09b |
15 | 1196985 |
hex | c0b039 |
12628025 has 24 divisors (see below), whose sum is σ = 16989984. Its totient is φ = 9273600.
The previous prime is 12628019. The next prime is 12628069. The reversal of 12628025 is 52082621.
It is not a de Polignac number, because 12628025 - 24 = 12628009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12627985 and 12628003.
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, 17930 + ... + 18620.
It is an arithmetic number, because the mean of its divisors is an integer number (707916).
Almost surely, 212628025 is an apocalyptic number.
It is an amenable number.
12628025 is a deficient number, since it is larger than the sum of its proper divisors (4361959).
12628025 is a wasteful number, since it uses less digits than its factorization.
12628025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761 (or 756 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 12628025 is about 3553.5932519071. The cubic root of 12628025 is about 232.8690712038.
The spelling of 12628025 in words is "twelve million, six hundred twenty-eight thousand, twenty-five".
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