Base | Representation |
---|---|
bin | 1001000101011… |
… | …0011100011100 |
3 | 2122200211020021 |
4 | 2101112130130 |
5 | 34223242222 |
6 | 3440401524 |
7 | 641603626 |
oct | 221263434 |
9 | 78624207 |
10 | 38102812 |
11 | 1a565230 |
12 | 109162a4 |
13 | 7b81157 |
14 | 50bbc16 |
15 | 3529ac7 |
hex | 245671c |
38102812 has 36 divisors (see below), whose sum is σ = 76088376. Its totient is φ = 16556320.
The previous prime is 38102783. The next prime is 38102843. The reversal of 38102812 is 21820183.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22458 + ... + 24094.
It is an arithmetic number, because the mean of its divisors is an integer number (2113566).
Almost surely, 238102812 is an apocalyptic number.
It is an amenable number.
38102812 is a deficient number, since it is larger than the sum of its proper divisors (37985564).
38102812 is a wasteful number, since it uses less digits than its factorization.
38102812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1698 (or 1673 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 38102812 is about 6172.7475244011. The cubic root of 38102812 is about 336.5004706397.
Adding to 38102812 its reverse (21820183), we get a palindrome (59922995).
The spelling of 38102812 in words is "thirty-eight million, one hundred two thousand, eight hundred twelve".
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