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238993328 = 2477927011
BaseRepresentation
bin11100011111010…
…11111110110000
3121122201010012202
432033223332300
5442140241303
635414242332
75631260360
oct1617537660
9548633182
10238993328
111129a6252
12680563a8
133a68a892
1423a529a0
1515eacc88
hexe3ebfb0

238993328 has 40 divisors (see below), whose sum is σ = 535918080. Its totient is φ = 101125440.

The previous prime is 238993301. The next prime is 238993333. The reversal of 238993328 is 823399832.

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, 4658 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (13397952).

Almost surely, 2238993328 is an apocalyptic number.

238993328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

238993328 is an abundant number, since it is smaller than the sum of its proper divisors (296924752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238993328 is a wasteful number, since it uses less digits than its factorization.

238993328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105 (or 27099 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 238993328 is about 15459.4090443328. The cubic root of 238993328 is about 620.5764046460.

The spelling of 238993328 in words is "two hundred thirty-eight million, nine hundred ninety-three thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 79 112 158 316 553 632 1106 1264 2212 4424 8848 27011 54022 108044 189077 216088 378154 432176 756308 1512616 2133869 3025232 4267738 8535476 14937083 17070952 29874166 34141904 59748332 119496664 238993328