Base | Representation |
---|---|
bin | 1001010001000… |
… | …1101110101001 |
3 | 2201010210112000 |
4 | 2110101232221 |
5 | 34422314204 |
6 | 3505041213 |
7 | 651250260 |
oct | 224215651 |
9 | 81123460 |
10 | 38869929 |
11 | 1aa3960a |
12 | 11026209 |
13 | 808c377 |
14 | 523b5d7 |
15 | 362c039 |
hex | 2511ba9 |
38869929 has 16 divisors (see below), whose sum is σ = 65811840. Its totient is φ = 22211280.
The previous prime is 38869913. The next prime is 38869933. The reversal of 38869929 is 92996883.
It is not a de Polignac number, because 38869929 - 24 = 38869913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38869969) 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, 102642 + ... + 103019.
It is an arithmetic number, because the mean of its divisors is an integer number (4113240).
Almost surely, 238869929 is an apocalyptic number.
It is an amenable number.
38869929 is a deficient number, since it is larger than the sum of its proper divisors (26941911).
38869929 is a wasteful number, since it uses less digits than its factorization.
38869929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205677 (or 205671 counting only the distinct ones).
The product of its digits is 1679616, while the sum is 54.
The square root of 38869929 is about 6234.5752862565. The cubic root of 38869929 is about 338.7437173347.
The spelling of 38869929 in words is "thirty-eight million, eight hundred sixty-nine thousand, nine hundred twenty-nine".
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