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230251325 = 529794949
BaseRepresentation
bin11011011100101…
…01101100111101
3121001020222102212
431232111230331
5432421020300
634503030205
75464050443
oct1556255475
9531228385
10230251325
11108a75257
126513b365
13389197b5
1422818b93
1515332935
hexdb95b3d

230251325 has 12 divisors (see below), whose sum is σ = 288458100. Its totient is φ = 182300160.

The previous prime is 230251319. The next prime is 230251327. The reversal of 230251325 is 523152032.

It can be written as a sum of positive squares in 6 ways, for example, as 28440889 + 201810436 = 5333^2 + 14206^2 .

It is not a de Polignac number, because 230251325 - 24 = 230251309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230251325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230251327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45050 + ... + 49899.

It is an arithmetic number, because the mean of its divisors is an integer number (24038175).

Almost surely, 2230251325 is an apocalyptic number.

230251325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230251325 is a deficient number, since it is larger than the sum of its proper divisors (58206775).

230251325 is an equidigital number, since it uses as much as digits as its factorization.

230251325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95056 (or 95051 counting only the distinct ones).

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

The square root of 230251325 is about 15174.0345656651. The cubic root of 230251325 is about 612.9156528942.

The spelling of 230251325 in words is "two hundred thirty million, two hundred fifty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 97 485 2425 94949 474745 2373725 9210053 46050265 230251325