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230028008 = 2374107643
BaseRepresentation
bin11011011010111…
…11001011101000
3121000211122002212
431231133023220
5432341344013
634454144252
75462130410
oct1555371350
9530748085
10230028008
111089324a1
1265052088
133886bc62
142279b640
15152db6a8
hexdb5f2e8

230028008 has 16 divisors (see below), whose sum is σ = 492917280. Its totient is φ = 98583408.

The previous prime is 230027989. The next prime is 230028017. The reversal of 230028008 is 800820032.

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, 2053766 + ... + 2053877.

It is an arithmetic number, because the mean of its divisors is an integer number (30807330).

Almost surely, 2230028008 is an apocalyptic number.

230028008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230028008 is an abundant number, since it is smaller than the sum of its proper divisors (262889272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230028008 is a wasteful number, since it uses less digits than its factorization.

230028008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107656 (or 4107652 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 230028008 is about 15166.6742564084. The cubic root of 230028008 is about 612.7174365039.

The spelling of 230028008 in words is "two hundred thirty million, twenty-eight thousand, eight".

Divisors: 1 2 4 7 8 14 28 56 4107643 8215286 16430572 28753501 32861144 57507002 115014004 230028008