Base | Representation |
---|---|
bin | 1001000101111… |
… | …0100000111110 |
3 | 2122202111120122 |
4 | 2101132200332 |
5 | 34230321440 |
6 | 3441214542 |
7 | 642102203 |
oct | 221364076 |
9 | 78674518 |
10 | 38135870 |
11 | 1a588053 |
12 | 10931452 |
13 | 7b93206 |
14 | 50c9caa |
15 | 35347b5 |
hex | 245e83e |
38135870 has 32 divisors (see below), whose sum is σ = 71733600. Its totient is φ = 14578816.
The previous prime is 38135849. The next prime is 38135873. The reversal of 38135870 is 7853183.
38135870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 38135870.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38135873) 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 15 ways as a sum of consecutive naturals, for example, 30416 + ... + 31644.
It is an arithmetic number, because the mean of its divisors is an integer number (2241675).
Almost surely, 238135870 is an apocalyptic number.
38135870 is a deficient number, since it is larger than the sum of its proper divisors (33597730).
38135870 is a wasteful number, since it uses less digits than its factorization.
38135870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1372.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 38135870 is about 6175.4246817527. The cubic root of 38135870 is about 336.5977584465.
The spelling of 38135870 in words is "thirty-eight million, one hundred thirty-five thousand, eight hundred seventy".
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