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238145158 = 22940910039
BaseRepresentation
bin11100011000111…
…00111010000110
3121121010000202001
432030130322012
5441431121113
635344135514
75621125516
oct1614347206
9547100661
10238145158
11112476a89
126790759a
133a4517c4
14238b1846
1515d917dd
hexe31ce86

238145158 has 16 divisors (see below), whose sum is σ = 370476000. Its totient is φ = 114674112.

The previous prime is 238145123. The next prime is 238145191. The reversal of 238145158 is 851541832.

238145158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18703 + ... + 28741.

It is an arithmetic number, because the mean of its divisors is an integer number (23154750).

Almost surely, 2238145158 is an apocalyptic number.

238145158 is a deficient number, since it is larger than the sum of its proper divisors (132330842).

238145158 is a wasteful number, since it uses less digits than its factorization.

238145158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10479.

The product of its digits is 38400, while the sum is 37.

The square root of 238145158 is about 15431.9525012229. The cubic root of 238145158 is about 619.8414075807.

The spelling of 238145158 in words is "two hundred thirty-eight million, one hundred forty-five thousand, one hundred fifty-eight".

Divisors: 1 2 29 58 409 818 10039 11861 20078 23722 291131 582262 4105951 8211902 119072579 238145158