Base | Representation |
---|---|
bin | 110011101010… |
… | …0111000101101 |
3 | 1212222010112022 |
4 | 1213110320231 |
5 | 23413231011 |
6 | 2404315525 |
7 | 446142020 |
oct | 147247055 |
9 | 55863468 |
10 | 27086381 |
11 | 14320443 |
12 | 90a2ba5 |
13 | 57c4a5a |
14 | 38511b7 |
15 | 25a08db |
hex | 19d4e2d |
27086381 has 8 divisors (see below), whose sum is σ = 32585280. Its totient is φ = 21994848.
The previous prime is 27086357. The next prime is 27086383. The reversal of 27086381 is 18368072.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27086381 - 214 = 27069997 is a prime.
It is a super-2 number, since 2×270863812 = 1467344071354322, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27086383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101696 + ... + 101961.
It is an arithmetic number, because the mean of its divisors is an integer number (4073160).
Almost surely, 227086381 is an apocalyptic number.
It is an amenable number.
27086381 is a deficient number, since it is larger than the sum of its proper divisors (5498899).
27086381 is a wasteful number, since it uses less digits than its factorization.
27086381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203683.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 27086381 is about 5204.4578007704. The cubic root of 27086381 is about 300.3195890515.
The spelling of 27086381 in words is "twenty-seven million, eighty-six thousand, three hundred eighty-one".
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