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230713325 = 529228533
BaseRepresentation
bin11011100000001…
…10011111101101
3121002010110011222
431300012133231
5433030311300
634520553125
75501013413
oct1560063755
9532113158
10230713325
11109260377
12653227a5
1338a4bb7b
14228d92b3
15153c4785
hexdc067ed

230713325 has 6 divisors (see below), whose sum is σ = 286084554. Its totient is φ = 184570640.

The previous prime is 230713321. The next prime is 230713349. The reversal of 230713325 is 523317032.

It can be written as a sum of positive squares in 3 ways, for example, as 1705636 + 229007689 = 1306^2 + 15133^2 .

It is not a de Polignac number, because 230713325 - 22 = 230713321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230713294 and 230713303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230713321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4614242 + ... + 4614291.

It is an arithmetic number, because the mean of its divisors is an integer number (47680759).

Almost surely, 2230713325 is an apocalyptic number.

230713325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230713325 is a deficient number, since it is larger than the sum of its proper divisors (55371229).

230713325 is an equidigital number, since it uses as much as digits as its factorization.

230713325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9228543 (or 9228538 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 230713325 is about 15189.2503106638. The cubic root of 230713325 is about 613.3253180729.

The spelling of 230713325 in words is "two hundred thirty million, seven hundred thirteen thousand, three hundred twenty-five".

Divisors: 1 5 25 9228533 46142665 230713325