Base | Representation |
---|---|
bin | 1001010001000… |
… | …1010110100011 |
3 | 2201010201101220 |
4 | 2110101112203 |
5 | 34422242022 |
6 | 3505030123 |
7 | 651242625 |
oct | 224212643 |
9 | 81121356 |
10 | 38868387 |
11 | 1aa38438 |
12 | 11025343 |
13 | 808b75c |
14 | 523ac15 |
15 | 362b85c |
hex | 25115a3 |
38868387 has 8 divisors (see below), whose sum is σ = 51938304. Its totient is φ = 25855368.
The previous prime is 38868383. The next prime is 38868397. The reversal of 38868387 is 78386883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38868387 - 22 = 38868383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38868383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12603 + ... + 15380.
It is an arithmetic number, because the mean of its divisors is an integer number (6492288).
Almost surely, 238868387 is an apocalyptic number.
38868387 is a deficient number, since it is larger than the sum of its proper divisors (13069917).
38868387 is a wasteful number, since it uses less digits than its factorization.
38868387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28449.
The product of its digits is 1548288, while the sum is 51.
The square root of 38868387 is about 6234.4516198299. The cubic root of 38868387 is about 338.7392378674.
The spelling of 38868387 in words is "thirty-eight million, eight hundred sixty-eight thousand, three hundred eighty-seven".
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