Base | Representation |
---|---|
bin | 1001001110110… |
… | …0000111011100 |
3 | 2200211222012001 |
4 | 2103230013130 |
5 | 34402401433 |
6 | 3501452044 |
7 | 650036152 |
oct | 223540734 |
9 | 80758161 |
10 | 38715868 |
11 | 1a943894 |
12 | 10b71024 |
13 | 80371c9 |
14 | 51db3d2 |
15 | 35eb57d |
hex | 24ec1dc |
38715868 has 24 divisors (see below), whose sum is σ = 71959104. Its totient is φ = 18163200.
The previous prime is 38715857. The next prime is 38715889. The reversal of 38715868 is 86851783.
38715868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28648 + ... + 29968.
It is an arithmetic number, because the mean of its divisors is an integer number (2998296).
Almost surely, 238715868 is an apocalyptic number.
It is an amenable number.
38715868 is a deficient number, since it is larger than the sum of its proper divisors (33243236).
38715868 is a wasteful number, since it uses less digits than its factorization.
38715868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1773 (or 1771 counting only the distinct ones).
The product of its digits is 322560, while the sum is 46.
The square root of 38715868 is about 6222.2076468083. The cubic root of 38715868 is about 338.2955877445.
The spelling of 38715868 in words is "thirty-eight million, seven hundred fifteen thousand, eight hundred sixty-eight".
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