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238065388 = 22118960793
BaseRepresentation
bin11100011000010…
…01011011101100
3121120221222022121
432030021123230
5441421043023
635342322324
75620344121
oct1614113354
9546858277
10238065388
11112422060
12678893a4
133a4243c2
1423890748
1515d77d5d
hexe3096ec

238065388 has 24 divisors (see below), whose sum is σ = 459602640. Its totient is φ = 106993920.

The previous prime is 238065367. The next prime is 238065389. The reversal of 238065388 is 883560832.

238065388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (238065389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26481 + ... + 34312.

It is an arithmetic number, because the mean of its divisors is an integer number (19150110).

Almost surely, 2238065388 is an apocalyptic number.

It is an amenable number.

238065388 is a deficient number, since it is larger than the sum of its proper divisors (221537252).

238065388 is a wasteful number, since it uses less digits than its factorization.

238065388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60897 (or 60895 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 238065388 is about 15429.3677122557. The cubic root of 238065388 is about 619.7721917136.

The spelling of 238065388 in words is "two hundred thirty-eight million, sixty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 89 178 356 979 1958 3916 60793 121586 243172 668723 1337446 2674892 5410577 10821154 21642308 59516347 119032694 238065388