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238030268 = 22719942719
BaseRepresentation
bin11100011000000…
…00110110111100
3121120220012010212
432030000312330
5441413432033
635341451552
75620136540
oct1614006674
9546805125
10238030268
111123a8733
1267870bb8
133a411418
1423881a20
1515d6c748
hexe300dbc

238030268 has 24 divisors (see below), whose sum is σ = 478464000. Its totient is φ = 101497968.

The previous prime is 238030259. The next prime is 238030291. The reversal of 238030268 is 862030832.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15788 + ... + 26931.

It is an arithmetic number, because the mean of its divisors is an integer number (19936000).

Almost surely, 2238030268 is an apocalyptic number.

238030268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

238030268 is an abundant number, since it is smaller than the sum of its proper divisors (240433732).

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

238030268 is a wasteful number, since it uses less digits than its factorization.

238030268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42929 (or 42927 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 238030268 is about 15428.2295808690. The cubic root of 238030268 is about 619.7417134348.

The spelling of 238030268 in words is "two hundred thirty-eight million, thirty thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 199 398 796 1393 2786 5572 42719 85438 170876 299033 598066 1196132 8501081 17002162 34004324 59507567 119015134 238030268