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157568325 = 35217123583
BaseRepresentation
bin10010110010001…
…00110101000101
3101222111022002220
421121010311011
5310314141300
623345122553
73622210605
oct1131046505
9358438086
10157568325
1180a41462
1244929459
132684b9c5
1416cd8c05
15dc76da0
hex9644d45

157568325 has 24 divisors (see below), whose sum is σ = 275839488. Its totient is φ = 79092480.

The previous prime is 157568317. The next prime is 157568353. The reversal of 157568325 is 523865751.

It is not a de Polignac number, because 157568325 - 23 = 157568317 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60517 + ... + 63066.

It is an arithmetic number, because the mean of its divisors is an integer number (11493312).

Almost surely, 2157568325 is an apocalyptic number.

157568325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157568325 is a deficient number, since it is larger than the sum of its proper divisors (118271163).

157568325 is a wasteful number, since it uses less digits than its factorization.

157568325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123613 (or 123608 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 157568325 is about 12552.6222360111. The cubic root of 157568325 is about 540.1192295026.

The spelling of 157568325 in words is "one hundred fifty-seven million, five hundred sixty-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 425 1275 123583 370749 617915 1853745 2100911 3089575 6302733 9268725 10504555 31513665 52522775 157568325