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238076868 = 223831511583
BaseRepresentation
bin11100011000011…
…00001111000100
3121120222120001210
432030030033010
5441421424433
635342451420
75620422441
oct1614141704
9546876053
10238076868
1111242a747
1267893b70
133a4296b3
14238949c8
1515d7b463
hexe30c3c4

238076868 has 48 divisors (see below), whose sum is σ = 566286336. Its totient is φ = 77834400.

The previous prime is 238076831. The next prime is 238076879. The reversal of 238076868 is 868670832.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149605 + ... + 151187.

It is an arithmetic number, because the mean of its divisors is an integer number (11797632).

Almost surely, 2238076868 is an apocalyptic number.

It is an amenable number.

238076868 is an abundant number, since it is smaller than the sum of its proper divisors (328209468).

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

238076868 is a wasteful number, since it uses less digits than its factorization.

238076868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 238076868 is about 15429.7397256078. The cubic root of 238076868 is about 619.7821537811.

The spelling of 238076868 in words is "two hundred thirty-eight million, seventy-six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 83 151 166 249 302 332 453 498 604 906 996 1583 1812 3166 4749 6332 9498 12533 18996 25066 37599 50132 75198 131389 150396 239033 262778 394167 478066 525556 717099 788334 956132 1434198 1576668 2868396 19839739 39679478 59519217 79358956 119038434 238076868