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230760643 = 1919362929
BaseRepresentation
bin11011100000100…
…10000011000011
3121002012212002111
431300102003003
5433033320033
634522000151
75501301361
oct1560220303
9532185074
10230760643
11109292983
1265346057
1338a67579
142290c631
15153d37cd
hexdc120c3

230760643 has 8 divisors (see below), whose sum is σ = 244168400. Its totient is φ = 217479168.

The previous prime is 230760631. The next prime is 230760653. The reversal of 230760643 is 346067032.

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

It is not a de Polignac number, because 230760643 - 25 = 230760611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230760653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27798 + ... + 35131.

It is an arithmetic number, because the mean of its divisors is an integer number (30521050).

Almost surely, 2230760643 is an apocalyptic number.

230760643 is a deficient number, since it is larger than the sum of its proper divisors (13407757).

230760643 is a wasteful number, since it uses less digits than its factorization.

230760643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63141.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 230760643 is about 15190.8078455361. The cubic root of 230760643 is about 613.3672450597.

The spelling of 230760643 in words is "two hundred thirty million, seven hundred sixty thousand, six hundred forty-three".

Divisors: 1 19 193 3667 62929 1195651 12145297 230760643