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238864168 = 2329858021
BaseRepresentation
bin11100011110011…
…00011100101000
3121122110120001001
432033030130220
5442122123133
635411404344
75630211664
oct1617143450
9548416031
10238864168
11112918204
1267bb36b4
133a643b5a
1423a1b8a4
1515e8487d
hexe3cc728

238864168 has 8 divisors (see below), whose sum is σ = 447870330. Its totient is φ = 119432080.

The previous prime is 238864147. The next prime is 238864187. The reversal of 238864168 is 861468832.

238864168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 38415204 = 14158^2 + 6198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14929003 + ... + 14929018.

Almost surely, 2238864168 is an apocalyptic number.

It is an amenable number.

238864168 is a deficient number, since it is larger than the sum of its proper divisors (209006162).

238864168 is a wasteful number, since it uses less digits than its factorization.

238864168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29858027 (or 29858023 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 238864168 is about 15455.2310885344. The cubic root of 238864168 is about 620.4645910755.

The spelling of 238864168 in words is "two hundred thirty-eight million, eight hundred sixty-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 29858021 59716042 119432084 238864168