Base | Representation |
---|---|
bin | 1001010000111… |
… | …1000010000101 |
3 | 2201010020100222 |
4 | 2110033002011 |
5 | 34421441020 |
6 | 3504514125 |
7 | 651203132 |
oct | 224170205 |
9 | 81106328 |
10 | 38858885 |
11 | 1aa3128a |
12 | 1101b945 |
13 | 8087330 |
14 | 5237589 |
15 | 3628b25 |
hex | 250f085 |
38858885 has 16 divisors (see below), whose sum is σ = 51389184. Its totient is φ = 28026432.
The previous prime is 38858863. The next prime is 38858887. The reversal of 38858885 is 58885883.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 38858885 - 212 = 38854789 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 (38858887) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4157 + ... + 9746.
It is an arithmetic number, because the mean of its divisors is an integer number (3211824).
Almost surely, 238858885 is an apocalyptic number.
It is an amenable number.
38858885 is a deficient number, since it is larger than the sum of its proper divisors (12530299).
38858885 is a wasteful number, since it uses less digits than its factorization.
38858885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13964.
The product of its digits is 2457600, while the sum is 53.
The square root of 38858885 is about 6233.6895174527. The cubic root of 38858885 is about 338.7116322063.
The spelling of 38858885 in words is "thirty-eight million, eight hundred fifty-eight thousand, eight hundred eighty-five".
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