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230345312 = 2521613331
BaseRepresentation
bin11011011101011…
…00101001100000
3121001102202100212
431232230221200
5432432022222
634505033252
75464621451
oct1556545140
9531382325
10230345312
1110902992a
1265185828
1338950502
1422841128
15153506e2
hexdbaca60

230345312 has 24 divisors (see below), whose sum is σ = 453838392. Its totient is φ = 115084800.

The previous prime is 230345309. The next prime is 230345321. The reversal of 230345312 is 213543032.

230345312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67487 + ... + 70817.

It is an arithmetic number, because the mean of its divisors is an integer number (18909933).

Almost surely, 2230345312 is an apocalyptic number.

It is an amenable number.

230345312 is a deficient number, since it is larger than the sum of its proper divisors (223493080).

230345312 is a wasteful number, since it uses less digits than its factorization.

230345312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5494 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 230345312 is about 15177.1312177236. The cubic root of 230345312 is about 612.9990375278. Note that the first 3 decimals are identical.

Adding to 230345312 its reverse (213543032), we get a palindrome (443888344).

The spelling of 230345312 in words is "two hundred thirty million, three hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 2161 3331 4322 6662 8644 13324 17288 26648 34576 53296 69152 106592 7198291 14396582 28793164 57586328 115172656 230345312