Base | Representation |
---|---|
bin | 1001010010111… |
… | …0000010000100 |
3 | 2201100200112202 |
4 | 2110232002010 |
5 | 34440021420 |
6 | 3511334032 |
7 | 652242254 |
oct | 224560204 |
9 | 81320482 |
10 | 38985860 |
11 | 20008721 |
12 | 11081318 |
13 | 8100074 |
14 | 526b964 |
15 | 3651575 |
hex | 252e084 |
38985860 has 24 divisors (see below), whose sum is σ = 84694680. Its totient is φ = 15056384.
The previous prime is 38985857. The next prime is 38985871. The reversal of 38985860 is 6858983.
It can be written as a sum of positive squares in 4 ways, for example, as 11276164 + 27709696 = 3358^2 + 5264^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33029 + ... + 34188.
It is an arithmetic number, because the mean of its divisors is an integer number (3528945).
Almost surely, 238985860 is an apocalyptic number.
It is an amenable number.
38985860 is an abundant number, since it is smaller than the sum of its proper divisors (45708820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38985860 is a wasteful number, since it uses less digits than its factorization.
38985860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67255 (or 67253 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 38985860 is about 6243.8657897171. The cubic root of 38985860 is about 339.0801549628.
The spelling of 38985860 in words is "thirty-eight million, nine hundred eighty-five thousand, eight hundred sixty".
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