Base | Representation |
---|---|
bin | 11100011000011… |
… | …01100010001011 |
3 | 121120222211100210 |
4 | 32030031202023 |
5 | 441422112222 |
6 | 35342532203 |
7 | 5620444110 |
oct | 1614154213 |
9 | 546884323 |
10 | 238082187 |
11 | 112433742 |
12 | 67897063 |
13 | 3a42bc45 |
14 | 23896907 |
15 | 15d7cd0c |
hex | e30d88b |
238082187 has 8 divisors (see below), whose sum is σ = 362791936. Its totient is φ = 136046952.
The previous prime is 238082171. The next prime is 238082197. The reversal of 238082187 is 781280832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 238082187 - 24 = 238082171 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (238082137) 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 7 ways as a sum of consecutive naturals, for example, 5668603 + ... + 5668644.
It is an arithmetic number, because the mean of its divisors is an integer number (45348992).
Almost surely, 2238082187 is an apocalyptic number.
238082187 is a deficient number, since it is larger than the sum of its proper divisors (124709749).
238082187 is a wasteful number, since it uses less digits than its factorization.
238082187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11337257.
The product of its (nonzero) digits is 43008, while the sum is 39.
The square root of 238082187 is about 15429.9120865934. The cubic root of 238082187 is about 619.7867693726.
It can be divided in two parts, 23 and 8082187, that added together give a triangular number (8082210 = T4020).
The spelling of 238082187 in words is "two hundred thirty-eight million, eighty-two thousand, one hundred eighty-seven".
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