Base | Representation |
---|---|
bin | 11100011100100… |
… | …11100010100011 |
3 | 121122000201021222 |
4 | 32032103202203 |
5 | 442042143300 |
6 | 35402405255 |
7 | 5625221264 |
oct | 1616234243 |
9 | 548021258 |
10 | 238631075 |
11 | 112779071 |
12 | 67b0082b |
13 | 3a591a27 |
14 | 2399a96b |
15 | 15e3a785 |
hex | e3938a3 |
238631075 has 12 divisors (see below), whose sum is σ = 296195328. Its totient is φ = 190716000.
The previous prime is 238631033. The next prime is 238631077. The reversal of 238631075 is 570136832.
238631075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238631075 - 26 = 238631011 is a prime.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (238631077) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24629 + ... + 32921.
It is an arithmetic number, because the mean of its divisors is an integer number (24682944).
Almost surely, 2238631075 is an apocalyptic number.
238631075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
238631075 is a deficient number, since it is larger than the sum of its proper divisors (57564253).
238631075 is a wasteful number, since it uses less digits than its factorization.
238631075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9454 (or 9449 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 238631075 is about 15447.6883383890. The cubic root of 238631075 is about 620.2627008498.
The spelling of 238631075 in words is "two hundred thirty-eight million, six hundred thirty-one thousand, seventy-five".
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