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238611328 = 271864151
BaseRepresentation
bin11100011100011…
…10101110000000
3121121222201012121
432032032232000
5442041030303
635402134024
75625106564
oct1616165600
9547881177
10238611328
1111276524a
1267ab1314
133a585a47
14239936a4
1515e349bd
hexe38eb80

238611328 has 16 divisors (see below), whose sum is σ = 475358760. Its totient is φ = 119305600.

The previous prime is 238611323. The next prime is 238611341. The reversal of 238611328 is 823116832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 238611293 and 238611302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238611323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931948 + ... + 932203.

Almost surely, 2238611328 is an apocalyptic number.

It is an amenable number.

238611328 is a deficient number, since it is larger than the sum of its proper divisors (236747432).

238611328 is an equidigital number, since it uses as much as digits as its factorization.

238611328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864165 (or 1864153 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 238611328 is about 15447.0491680450. The cubic root of 238611328 is about 620.2455912237.

The spelling of 238611328 in words is "two hundred thirty-eight million, six hundred eleven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 1864151 3728302 7456604 14913208 29826416 59652832 119305664 238611328