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52805625 = 35428163
BaseRepresentation
bin1100100101101…
…1111111111001
310200100210200220
43021123333321
5102004240000
65123450253
71210561155
oct311337771
9120323626
1052805625
1127897714
1215826989
13ac2b442
147028065
1549811a0
hex325bff9

52805625 has 20 divisors (see below), whose sum is σ = 87984336. Its totient is φ = 28162000.

The previous prime is 52805573. The next prime is 52805647. The reversal of 52805625 is 52650825.

It is not a de Polignac number, because 52805625 - 26 = 52805561 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12207 + ... + 15956.

Almost surely, 252805625 is an apocalyptic number.

It is an amenable number.

52805625 is a deficient number, since it is larger than the sum of its proper divisors (35178711).

52805625 is an equidigital number, since it uses as much as digits as its factorization.

52805625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28186 (or 28171 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 52805625 is about 7266.7478970995. The cubic root of 52805625 is about 375.1688128834.

The spelling of 52805625 in words is "fifty-two million, eight hundred five thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 28163 84489 140815 422445 704075 2112225 3520375 10561125 17601875 52805625