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230156068 = 2257799721
BaseRepresentation
bin11011011011111…
…10011100100100
3121001002010202211
431231332130210
5432404443233
634501013204
75463202642
oct1555763444
9531063684
10230156068
11108a0a72a
12650b4204
13388b532c
14227d2192
15153145cd
hexdb7e724

230156068 has 12 divisors (see below), whose sum is σ = 403475212. Its totient is φ = 114877440.

The previous prime is 230156041. The next prime is 230156107. The reversal of 230156068 is 860651032.

It can be written as a sum of positive squares in 2 ways, for example, as 179774464 + 50381604 = 13408^2 + 7098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47553 + ... + 52168.

Almost surely, 2230156068 is an apocalyptic number.

It is an amenable number.

230156068 is a deficient number, since it is larger than the sum of its proper divisors (173319144).

230156068 is a wasteful number, since it uses less digits than its factorization.

230156068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100302 (or 100300 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 230156068 is about 15170.8954251224. The cubic root of 230156068 is about 612.8311183685.

The spelling of 230156068 in words is "two hundred thirty million, one hundred fifty-six thousand, sixty-eight".

Divisors: 1 2 4 577 1154 2308 99721 199442 398884 57539017 115078034 230156068