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230622344 = 2329579749
BaseRepresentation
bin11011011111100…
…00010010001000
3121001221211101022
431233300102020
5433014403334
634515012012
75500154231
oct1557602210
9531854338
10230622344
111091a8a87
126529a008
1338a19634
14228b4088
15153a782e
hexdbf0488

230622344 has 16 divisors (see below), whose sum is σ = 432607500. Its totient is φ = 115260352.

The previous prime is 230622317. The next prime is 230622397. The reversal of 230622344 is 443226032.

It can be written as a sum of positive squares in 2 ways, for example, as 200788900 + 29833444 = 14170^2 + 5462^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18782 + ... + 28530.

Almost surely, 2230622344 is an apocalyptic number.

It is an amenable number.

230622344 is a deficient number, since it is larger than the sum of its proper divisors (201985156).

230622344 is a wasteful number, since it uses less digits than its factorization.

230622344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12712 (or 12708 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 230622344 is about 15186.2551012420. The cubic root of 230622344 is about 613.2446865686.

Adding to 230622344 its reverse (443226032), we get a palindrome (673848376).

The spelling of 230622344 in words is "two hundred thirty million, six hundred twenty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 2957 5914 9749 11828 19498 23656 38996 77992 28827793 57655586 115311172 230622344