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230070863 = 1123909371
BaseRepresentation
bin11011011011010…
…01101001001111
3121000220210220002
431231221221033
5432344231423
634455114515
75462366351
oct1555515117
9530823802
10230070863
11108961710
1265072a3b
1338885609
14227ad0d1
15152e9228
hexdb69a4f

230070863 has 8 divisors (see below), whose sum is σ = 261899136. Its totient is φ = 200061400.

The previous prime is 230070859. The next prime is 230070887. The reversal of 230070863 is 368070032.

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

It is not a de Polignac number, because 230070863 - 22 = 230070859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230070853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 454433 + ... + 454938.

It is an arithmetic number, because the mean of its divisors is an integer number (32737392).

Almost surely, 2230070863 is an apocalyptic number.

230070863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

230070863 is a deficient number, since it is larger than the sum of its proper divisors (31828273).

230070863 is a wasteful number, since it uses less digits than its factorization.

230070863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909405.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 230070863 is about 15168.0869921029. The cubic root of 230070863 is about 612.7554845884.

The spelling of 230070863 in words is "two hundred thirty million, seventy thousand, eight hundred sixty-three".

Divisors: 1 11 23 253 909371 10003081 20915533 230070863