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27085 = 55417
BaseRepresentation
bin110100111001101
31101011011
412213031
51331320
6325221
7141652
oct64715
941134
1027085
1119393
1213811
13c436
149c29
15805a
hex69cd

27085 has 4 divisors (see below), whose sum is σ = 32508. Its totient is φ = 21664.

The previous prime is 27077. The next prime is 27091. The reversal of 27085 is 58072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5476 + 21609 = 74^2 + 147^2 .

It is a cyclic number.

It is not a de Polignac number, because 27085 - 23 = 27077 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (8127).

227085 is an apocalyptic number.

It is an amenable number.

27085 is a deficient number, since it is larger than the sum of its proper divisors (5423).

27085 is an equidigital number, since it uses as much as digits as its factorization.

27085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 27085 is about 164.5752107700. The cubic root of 27085 is about 30.0314485030.

The spelling of 27085 in words is "twenty-seven thousand, eighty-five".

Divisors: 1 5 5417 27085