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230857730 = 2523085773
BaseRepresentation
bin11011100001010…
…01110000000010
3121002101210021022
431300221300002
5433044421410
634524025442
75502154415
oct1560516002
9532353238
10230857730
11109349914
1265392282
1338a9c80c
1422935b7c
1515402455
hexdc29c02

230857730 has 8 divisors (see below), whose sum is σ = 415543932. Its totient is φ = 92343088.

The previous prime is 230857727. The next prime is 230857747. The reversal of 230857730 is 37758032.

230857730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212255761 + 18601969 = 14569^2 + 4313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11542877 + ... + 11542896.

Almost surely, 2230857730 is an apocalyptic number.

230857730 is a deficient number, since it is larger than the sum of its proper divisors (184686202).

230857730 is a wasteful number, since it uses less digits than its factorization.

230857730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23085780.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 230857730 is about 15194.0030933260. The cubic root of 230857730 is about 613.4532528461.

The spelling of 230857730 in words is "two hundred thirty million, eight hundred fifty-seven thousand, seven hundred thirty".

Divisors: 1 2 5 10 23085773 46171546 115428865 230857730