Base | Representation |
---|---|
bin | 11100011110011… |
… | …11010011101101 |
3 | 121122111011010000 |
4 | 32033033103231 |
5 | 442123012020 |
6 | 35411534513 |
7 | 5630261103 |
oct | 1617172355 |
9 | 548434100 |
10 | 238875885 |
11 | 112925a96 |
12 | 67bba439 |
13 | 3a6492a1 |
14 | 23a21c73 |
15 | 15e88090 |
hex | e3cf4ed |
238875885 has 80 divisors (see below), whose sum is σ = 463478400. Its totient is φ = 117293184.
The previous prime is 238875883. The next prime is 238875887. The reversal of 238875885 is 588578832.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (238875883) and next prime (238875887).
It is not a de Polignac number, because 238875885 - 21 = 238875883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238875883) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 284296 + ... + 285134.
It is an arithmetic number, because the mean of its divisors is an integer number (5793480).
Almost surely, 2238875885 is an apocalyptic number.
It is an amenable number.
238875885 is a deficient number, since it is larger than the sum of its proper divisors (224602515).
238875885 is a wasteful number, since it uses less digits than its factorization.
238875885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912 (or 903 counting only the distinct ones).
The product of its digits is 4300800, while the sum is 54.
The square root of 238875885 is about 15455.6101464808. The cubic root of 238875885 is about 620.4747361227.
The spelling of 238875885 in words is "two hundred thirty-eight million, eight hundred seventy-five thousand, eight hundred eighty-five".
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