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230151325 = 529206053
BaseRepresentation
bin11011011011111…
…01010010011101
3121001001220021011
431231331102131
5432404320300
634500535221
75463153055
oct1555752235
9531056234
10230151325
11108a07108
12650b1511
13388b3121
14227d0565
1515312eba
hexdb7d49d

230151325 has 6 divisors (see below), whose sum is σ = 285387674. Its totient is φ = 184121040.

The previous prime is 230151319. The next prime is 230151373. The reversal of 230151325 is 523151032.

It can be written as a sum of positive squares in 3 ways, for example, as 48818169 + 181333156 = 6987^2 + 13466^2 .

It is not a de Polignac number, because 230151325 - 25 = 230151293 is a prime.

It is a super-3 number, since 3×2301513253 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230151296 and 230151305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4603002 + ... + 4603051.

Almost surely, 2230151325 is an apocalyptic number.

230151325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230151325 is a deficient number, since it is larger than the sum of its proper divisors (55236349).

230151325 is an equidigital number, since it uses as much as digits as its factorization.

230151325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9206063 (or 9206058 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 230151325 is about 15170.7391052644. The cubic root of 230151325 is about 612.8269086483.

The spelling of 230151325 in words is "two hundred thirty million, one hundred fifty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 9206053 46030265 230151325