Base | Representation |
---|---|
bin | 11100011110001… |
… | …00011010001001 |
3 | 121122101212212112 |
4 | 32033010122021 |
5 | 442120044431 |
6 | 35410552105 |
7 | 5630013665 |
oct | 1617043211 |
9 | 548355775 |
10 | 238831241 |
11 | 1128a54a0 |
12 | 67b98635 |
13 | 3a631b7c |
14 | 23a0d8a5 |
15 | 15e79c2b |
hex | e3c4689 |
238831241 has 16 divisors (see below), whose sum is σ = 273068928. Its totient is φ = 206764800.
The previous prime is 238831217. The next prime is 238831259. The reversal of 238831241 is 142138832.
It is a de Polignac number, because none of the positive numbers 2k-238831241 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 238831198 and 238831207.
It is not an unprimeable number, because it can be changed into a prime (238831441) 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 in 15 ways as a sum of consecutive naturals, for example, 59015 + ... + 62931.
It is an arithmetic number, because the mean of its divisors is an integer number (17066808).
Almost surely, 2238831241 is an apocalyptic number.
It is an amenable number.
238831241 is a deficient number, since it is larger than the sum of its proper divisors (34237687).
238831241 is a wasteful number, since it uses less digits than its factorization.
238831241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4192.
The product of its digits is 9216, while the sum is 32.
The square root of 238831241 is about 15454.1658137863. The cubic root of 238831241 is about 620.4360797859.
The spelling of 238831241 in words is "two hundred thirty-eight million, eight hundred thirty-one thousand, two hundred forty-one".
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