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238066166 = 21310388897
BaseRepresentation
bin11100011000010…
…01100111110110
3121120222000101102
432030021213312
5441421104131
635342330102
75620346312
oct1614114766
9546860342
10238066166
111124226a8
1267889932
133a424870
1423890b42
1515d781cb
hexe3099f6

238066166 has 16 divisors (see below), whose sum is σ = 388306464. Its totient is φ = 108808704.

The previous prime is 238066159. The next prime is 238066187. The reversal of 238066166 is 661660832.

238066166 is digitally balanced in base 3, 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, 41771 + ... + 47126.

It is an arithmetic number, because the mean of its divisors is an integer number (24269154).

Almost surely, 2238066166 is an apocalyptic number.

238066166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

238066166 is a deficient number, since it is larger than the sum of its proper divisors (150240298).

238066166 is a wasteful number, since it uses less digits than its factorization.

238066166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89015.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 238066166 is about 15429.3929238969. The cubic root of 238066166 is about 619.7728668534.

The spelling of 238066166 in words is "two hundred thirty-eight million, sixty-six thousand, one hundred sixty-six".

Divisors: 1 2 13 26 103 206 1339 2678 88897 177794 1155661 2311322 9156391 18312782 119033083 238066166