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230943043 = 1994112917
BaseRepresentation
bin11011100001111…
…10100101000011
3121002120010022001
431300332211003
5433110134133
634525524431
75502661222
oct1560764503
9532503261
10230943043
111093a7a21
1265413717
1338acc5b6
1422958cb9
151541c87d
hexdc3e943

230943043 has 8 divisors (see below), whose sum is σ = 243375120. Its totient is φ = 218538720.

The previous prime is 230943017. The next prime is 230943073. The reversal of 230943043 is 340349032.

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

It is a cyclic number.

It is not a de Polignac number, because 230943043 - 29 = 230942531 is a prime.

It is a super-2 number, since 2×2309430432 = 106669378220199698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230943073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11421 + ... + 24337.

It is an arithmetic number, because the mean of its divisors is an integer number (30421890).

Almost surely, 2230943043 is an apocalyptic number.

230943043 is a deficient number, since it is larger than the sum of its proper divisors (12432077).

230943043 is a wasteful number, since it uses less digits than its factorization.

230943043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 230943043 is about 15196.8102903208. The cubic root of 230943043 is about 613.5288103360.

The spelling of 230943043 in words is "two hundred thirty million, nine hundred forty-three thousand, forty-three".

Divisors: 1 19 941 12917 17879 245423 12154897 230943043