Base | Representation |
---|---|
bin | 1001000101110… |
… | …0110000100011 |
3 | 2122202010201011 |
4 | 2101130300203 |
5 | 34230104200 |
6 | 3441121351 |
7 | 642042214 |
oct | 221346043 |
9 | 78663634 |
10 | 38128675 |
11 | 1a582702 |
12 | 10929257 |
13 | 7b8cb60 |
14 | 50c740b |
15 | 35325ba |
hex | 245cc23 |
38128675 has 12 divisors (see below), whose sum is σ = 50916880. Its totient is φ = 28156320.
The previous prime is 38128669. The next prime is 38128679. The reversal of 38128675 is 57682183.
It is not a de Polignac number, because 38128675 - 215 = 38095907 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38128679) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58335 + ... + 58984.
Almost surely, 238128675 is an apocalyptic number.
38128675 is a deficient number, since it is larger than the sum of its proper divisors (12788205).
38128675 is a wasteful number, since it uses less digits than its factorization.
38128675 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117342 (or 117337 counting only the distinct ones).
The product of its digits is 80640, while the sum is 40.
The square root of 38128675 is about 6174.8421032444. The cubic root of 38128675 is about 336.5765887604.
The spelling of 38128675 in words is "thirty-eight million, one hundred twenty-eight thousand, six hundred seventy-five".
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