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230791312 = 2475119207
BaseRepresentation
bin11011100000110…
…01100010010000
3121002021102011101
431300121202100
5433040310222
634522354144
75501456653
oct1560314220
9532242141
10230791312
11109303a24
126535b954
1338a7850b
142291989a
15153dc927
hexdc19890

230791312 has 20 divisors (see below), whose sum is σ = 447776896. Its totient is φ = 115236000.

The previous prime is 230791307. The next prime is 230791321. The reversal of 230791312 is 213197032.

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, 2413 + ... + 21619.

Almost surely, 2230791312 is an apocalyptic number.

It is an amenable number.

230791312 is a deficient number, since it is larger than the sum of its proper divisors (216985584).

230791312 is a wasteful number, since it uses less digits than its factorization.

230791312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19966 (or 19960 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 230791312 is about 15191.8172711496. The cubic root of 230791312 is about 613.3944168317.

The spelling of 230791312 in words is "two hundred thirty million, seven hundred ninety-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 751 1502 3004 6008 12016 19207 38414 76828 153656 307312 14424457 28848914 57697828 115395656 230791312