Base | Representation |
---|---|
bin | 1001010000011… |
… | …1111010010101 |
3 | 2201001202100200 |
4 | 2110013322111 |
5 | 34420022332 |
6 | 3504131113 |
7 | 651022113 |
oct | 224077225 |
9 | 81052320 |
10 | 38829717 |
11 | 1aa11383 |
12 | 11006a99 |
13 | 8076c84 |
14 | 522aab3 |
15 | 362017c |
hex | 2507e95 |
38829717 has 12 divisors (see below), whose sum is σ = 59386860. Its totient is φ = 24363648.
The previous prime is 38829709. The next prime is 38829719. The reversal of 38829717 is 71792883.
38829717 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 2 ways, for example, as 30569841 + 8259876 = 5529^2 + 2874^2 .
It is not a de Polignac number, because 38829717 - 23 = 38829709 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38829719) 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 11 ways as a sum of consecutive naturals, for example, 126742 + ... + 127047.
It is an arithmetic number, because the mean of its divisors is an integer number (4948905).
Almost surely, 238829717 is an apocalyptic number.
It is an amenable number.
38829717 is a deficient number, since it is larger than the sum of its proper divisors (20557143).
38829717 is a wasteful number, since it uses less digits than its factorization.
38829717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253812 (or 253809 counting only the distinct ones).
The product of its digits is 169344, while the sum is 45.
The square root of 38829717 is about 6231.3495328059. The cubic root of 38829717 is about 338.6268638294.
The spelling of 38829717 in words is "thirty-eight million, eight hundred twenty-nine thousand, seven hundred seventeen".
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