Base | Representation |
---|---|
bin | 1001010000111… |
… | …1101000110101 |
3 | 2201010100202211 |
4 | 2110033220311 |
5 | 34422030430 |
6 | 3504533421 |
7 | 651213304 |
oct | 224175065 |
9 | 81110684 |
10 | 38861365 |
11 | 1aa33134 |
12 | 11021271 |
13 | 80884ba |
14 | 523843b |
15 | 362972a |
hex | 250fa35 |
38861365 has 16 divisors (see below), whose sum is σ = 49489920. Its totient is φ = 29211840.
The previous prime is 38861351. The next prime is 38861369. The reversal of 38861365 is 56316883.
38861365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38861365 - 29 = 38860853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38861369) 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, 10455 + ... + 13675.
It is an arithmetic number, because the mean of its divisors is an integer number (3093120).
Almost surely, 238861365 is an apocalyptic number.
It is an amenable number.
38861365 is a deficient number, since it is larger than the sum of its proper divisors (10628555).
38861365 is a wasteful number, since it uses less digits than its factorization.
38861365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3372.
The product of its digits is 103680, while the sum is 40.
The square root of 38861365 is about 6233.8884333937. Note that the first 3 decimals coincide. The cubic root of 38861365 is about 338.7188376539.
The spelling of 38861365 in words is "thirty-eight million, eight hundred sixty-one thousand, three hundred sixty-five".
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