Base | Representation |
---|---|
bin | 1001001111100… |
… | …0111000100101 |
3 | 2200221121220222 |
4 | 2103320320211 |
5 | 34411040130 |
6 | 3502534125 |
7 | 650344502 |
oct | 223707045 |
9 | 80847828 |
10 | 38768165 |
11 | 1a97a107 |
12 | 10b97345 |
13 | 8054c57 |
14 | 52124a9 |
15 | 360bce5 |
hex | 24f8e25 |
38768165 has 16 divisors (see below), whose sum is σ = 47897136. Its totient is φ = 30105600.
The previous prime is 38768141. The next prime is 38768173. The reversal of 38768165 is 56186783.
38768165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 4592449 + 34175716 = 2143^2 + 5846^2 .
It is not a de Polignac number, because 38768165 - 26 = 38768101 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 57269 + ... + 57941.
It is an arithmetic number, because the mean of its divisors is an integer number (2993571).
Almost surely, 238768165 is an apocalyptic number.
It is an amenable number.
38768165 is a deficient number, since it is larger than the sum of its proper divisors (9128971).
38768165 is a wasteful number, since it uses less digits than its factorization.
38768165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1000.
The product of its digits is 241920, while the sum is 44.
The square root of 38768165 is about 6226.4086759544. The cubic root of 38768165 is about 338.4478412885.
The spelling of 38768165 in words is "thirty-eight million, seven hundred sixty-eight thousand, one hundred sixty-five".
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