Base | Representation |
---|---|
bin | 1001010001010… |
… | …1100100011100 |
3 | 2201011121002122 |
4 | 2110111210130 |
5 | 34423320120 |
6 | 3505242112 |
7 | 651344162 |
oct | 224254434 |
9 | 81147078 |
10 | 38885660 |
11 | 1aa4a410 |
12 | 11033338 |
13 | 8096588 |
14 | 5243232 |
15 | 3631a25 |
hex | 251591c |
38885660 has 24 divisors (see below), whose sum is σ = 89084016. Its totient is φ = 14140160.
The previous prime is 38885657. The next prime is 38885701. The reversal of 38885660 is 6658883.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 88157 + ... + 88596.
It is an arithmetic number, because the mean of its divisors is an integer number (3711834).
Almost surely, 238885660 is an apocalyptic number.
It is an amenable number.
38885660 is an abundant number, since it is smaller than the sum of its proper divisors (50198356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38885660 is a wasteful number, since it uses less digits than its factorization.
38885660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176773 (or 176771 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 44.
The square root of 38885660 is about 6235.8367521929. The cubic root of 38885660 is about 338.7894086857.
The spelling of 38885660 in words is "thirty-eight million, eight hundred eighty-five thousand, six hundred sixty".
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