Base | Representation |
---|---|
bin | 1100011111110… |
… | …0101000110001 |
3 | 10122121221220020 |
4 | 3013330220301 |
5 | 101404240100 |
6 | 5111234053 |
7 | 1204343325 |
oct | 307745061 |
9 | 118557806 |
10 | 52415025 |
11 | 27650203 |
12 | 15678929 |
13 | ab22710 |
14 | 6d65985 |
15 | 49055a0 |
hex | 31fca31 |
52415025 has 24 divisors (see below), whose sum is σ = 93327360. Its totient is φ = 25803840.
The previous prime is 52415023. The next prime is 52415089. The reversal of 52415025 is 52051425.
It is a happy number.
It is not a de Polignac number, because 52415025 - 21 = 52415023 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 52414986 and 52415004.
It is not an unprimeable number, because it can be changed into a prime (52415023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25905 + ... + 27854.
It is an arithmetic number, because the mean of its divisors is an integer number (3888640).
Almost surely, 252415025 is an apocalyptic number.
It is an amenable number.
52415025 is a deficient number, since it is larger than the sum of its proper divisors (40912335).
52415025 is a wasteful number, since it uses less digits than its factorization.
52415025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53785 (or 53780 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 52415025 is about 7239.8221663243. The cubic root of 52415025 is about 374.2414890196.
The spelling of 52415025 in words is "fifty-two million, four hundred fifteen thousand, twenty-five".
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