Base | Representation |
---|---|
bin | 11111010010111… |
… | …101110110011001 |
3 | 1100121000002122000 |
4 | 133102331312121 |
5 | 2033404100000 |
6 | 124033551213 |
7 | 16003661400 |
oct | 3722756631 |
9 | 1317002560 |
10 | 525065625 |
11 | 24a427637 |
12 | 127a15509 |
13 | 84a20126 |
14 | 4da3c637 |
15 | 3116a000 |
hex | 1f4bdd99 |
525065625 has 144 divisors (see below), whose sum is σ = 1139927040. Its totient is φ = 238140000.
The previous prime is 525065617. The next prime is 525065633. The reversal of 525065625 is 526560525.
525065625 is a `hidden beast` number, since 5 + 25 + 0 + 6 + 5 + 625 = 666.
It is an interprime number because it is at equal distance from previous prime (525065617) and next prime (525065633).
It is not a de Polignac number, because 525065625 - 23 = 525065617 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 525065625.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4134312 + ... + 4134438.
It is an arithmetic number, because the mean of its divisors is an integer number (7916160).
Almost surely, 2525065625 is an apocalyptic number.
It is an amenable number.
525065625 is an abundant number, since it is smaller than the sum of its proper divisors (614861415).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
525065625 is an equidigital number, since it uses as much as digits as its factorization.
525065625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175 (or 142 counting only the distinct ones).
The product of its (nonzero) digits is 90000, while the sum is 36.
The square root of 525065625 is about 22914.3104849350. The cubic root of 525065625 is about 806.7479347086.
The spelling of 525065625 in words is "five hundred twenty-five million, sixty-five thousand, six hundred twenty-five".
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