Base | Representation |
---|---|
bin | 1001001111111… |
… | …0100001001100 |
3 | 2200222210120202 |
4 | 2103332201030 |
5 | 34412304434 |
6 | 3503233032 |
7 | 650502002 |
oct | 223764114 |
9 | 80883522 |
10 | 38791244 |
11 | 1a995488 |
12 | 10ba8778 |
13 | 80625cb |
14 | 521aa72 |
15 | 3613a7e |
hex | 24fe84c |
38791244 has 12 divisors (see below), whose sum is σ = 69719664. Its totient is φ = 18871344.
The previous prime is 38791243. The next prime is 38791279. The reversal of 38791244 is 44219783.
38791244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×387912442 = 3009521222135072, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38791198 and 38791207.
It is not an unprimeable number, because it can be changed into a prime (38791243) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 130904 + ... + 131199.
It is an arithmetic number, because the mean of its divisors is an integer number (5809972).
Almost surely, 238791244 is an apocalyptic number.
It is an amenable number.
38791244 is a deficient number, since it is larger than the sum of its proper divisors (30928420).
38791244 is a wasteful number, since it uses less digits than its factorization.
38791244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262144 (or 262142 counting only the distinct ones).
The product of its digits is 48384, while the sum is 38.
The square root of 38791244 is about 6228.2617157599. The cubic root of 38791244 is about 338.5149882053.
The spelling of 38791244 in words is "thirty-eight million, seven hundred ninety-one thousand, two hundred forty-four".
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