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230857605 = 325113311409
BaseRepresentation
bin11011100001010…
…01101110000101
3121002101210002200
431300221232011
5433044420410
634524025113
75502154146
oct1560515605
9532353080
10230857605
11109349810
1265392199
1338a9c744
1422935acd
15154023c0
hexdc29b85

230857605 has 48 divisors (see below), whose sum is σ = 438160320. Its totient is φ = 111513600.

The previous prime is 230857597. The next prime is 230857621. The reversal of 230857605 is 506758032.

230857605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230857605 - 23 = 230857597 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230857605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163141 + ... + 164549.

It is an arithmetic number, because the mean of its divisors is an integer number (9128340).

Almost surely, 2230857605 is an apocalyptic number.

It is an amenable number.

230857605 is a deficient number, since it is larger than the sum of its proper divisors (207302715).

230857605 is a wasteful number, since it uses less digits than its factorization.

230857605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 230857605 is about 15193.9989798604. The cubic root of 230857605 is about 613.4531421261.

The spelling of 230857605 in words is "two hundred thirty million, eight hundred fifty-seven thousand, six hundred five".