Base | Representation |
---|---|
bin | 11100011000101… |
… | …00010110110101 |
3 | 121121001020200211 |
4 | 32030110112311 |
5 | 441424011013 |
6 | 35343305421 |
7 | 5620621432 |
oct | 1614242665 |
9 | 547036624 |
10 | 238110133 |
11 | 112452738 |
12 | 678ab271 |
13 | 3a43b891 |
14 | 238a2b89 |
15 | 15d8623d |
hex | e3145b5 |
238110133 has 8 divisors (see below), whose sum is σ = 244739000. Its totient is φ = 231491520.
The previous prime is 238110113. The next prime is 238110137. The reversal of 238110133 is 331011832.
238110133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 51022449 + 187087684 = 7143^2 + 13678^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 238110133 - 217 = 237979061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238110137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85243 + ... + 87991.
It is an arithmetic number, because the mean of its divisors is an integer number (30592375).
Almost surely, 2238110133 is an apocalyptic number.
It is an amenable number.
238110133 is a deficient number, since it is larger than the sum of its proper divisors (6628867).
238110133 is a wasteful number, since it uses less digits than its factorization.
238110133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5127.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 238110133 is about 15430.8176387384. The cubic root of 238110133 is about 619.8110185386.
Adding to 238110133 its reverse (331011832), we get a palindrome (569121965).
The spelling of 238110133 in words is "two hundred thirty-eight million, one hundred ten thousand, one hundred thirty-three".
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