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528360725 = 5236757587
BaseRepresentation
bin11111011111100…
…010010100010101
31100211012111122202
4133133202110111
52040230020400
6124232334245
716043664164
oct3737422425
91324174582
10528360725
11251278262
12128b44385
1385604ba9
14502593db
15315bb4d5
hex1f7e2515

528360725 has 12 divisors (see below), whose sum is σ = 656963904. Its totient is φ = 421529520.

The previous prime is 528360719. The next prime is 528360739. The reversal of 528360725 is 527063825.

It is not a de Polignac number, because 528360725 - 210 = 528359701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19619 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (54746992).

Almost surely, 2528360725 is an apocalyptic number.

It is an amenable number.

528360725 is a deficient number, since it is larger than the sum of its proper divisors (128603179).

528360725 is a wasteful number, since it uses less digits than its factorization.

528360725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57964 (or 57959 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 528360725 is about 22986.0985162772. The cubic root of 528360725 is about 808.4320248886.

The spelling of 528360725 in words is "five hundred twenty-eight million, three hundred sixty thousand, seven hundred twenty-five".

Divisors: 1 5 25 367 1835 9175 57587 287935 1439675 21134429 105672145 528360725