Base | Representation |
---|---|
bin | 101111100101… |
… | …101010010001 |
3 | 212110210111222 |
4 | 233211222101 |
5 | 11143200100 |
6 | 1123214425 |
7 | 211015223 |
oct | 57455221 |
9 | 25423458 |
10 | 12475025 |
11 | 7050742 |
12 | 4217415 |
13 | 277a294 |
14 | 192a413 |
15 | 1166485 |
hex | be5a91 |
12475025 has 24 divisors (see below), whose sum is σ = 16572600. Its totient is φ = 9282560.
The previous prime is 12475009. The next prime is 12475027. The reversal of 12475025 is 52057421.
It is a Cunningham number, because it is equal to 35322+1.
It can be written as a sum of positive squares in 12 ways, for example, as 976144 + 11498881 = 988^2 + 3391^2 .
It is not a de Polignac number, because 12475025 - 24 = 12475009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12474985 and 12475003.
It is not an unprimeable number, because it can be changed into a prime (12475027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63227 + ... + 63423.
It is an arithmetic number, because the mean of its divisors is an integer number (690525).
Almost surely, 212475025 is an apocalyptic number.
It is an amenable number.
12475025 is a deficient number, since it is larger than the sum of its proper divisors (4097575).
12475025 is a wasteful number, since it uses less digits than its factorization.
12475025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 373 (or 368 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 12475025 is about 3532.0001415629. Note that the first 3 decimals coincide. The cubic root of 12475025 is about 231.9247737178.
The spelling of 12475025 in words is "twelve million, four hundred seventy-five thousand, twenty-five".
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