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523625 = 535971
BaseRepresentation
bin1111111110101101001
3222121021112
41333311221
5113224000
615120105
74310414
oct1776551
9877245
10523625
11328453
12213035
1315444b
14d8b7b
15a5235
hex7fd69

523625 has 16 divisors (see below), whose sum is σ = 673920. Its totient is φ = 406000.

The previous prime is 523603. The next prime is 523631. The reversal of 523625 is 526325.

It is a happy number.

It is not a de Polignac number, because 523625 - 210 = 522601 is a prime.

It is a d-powerful number, because it can be written as 54 + 210 + 62 + 35 + 217 + 58 .

It is a self number, because there is not a number n which added to its sum of digits gives 523625.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7340 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2523625 is an apocalyptic number.

It is an amenable number.

523625 is a deficient number, since it is larger than the sum of its proper divisors (150295).

523625 is an equidigital number, since it uses as much as digits as its factorization.

523625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 135 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 523625 is about 723.6193750861. The cubic root of 523625 is about 80.6009432864.

The spelling of 523625 in words is "five hundred twenty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 59 71 125 295 355 1475 1775 4189 7375 8875 20945 104725 523625