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27163 = 231181
BaseRepresentation
bin110101000011011
31101021001
412220123
51332123
6325431
7142123
oct65033
941231
1027163
1119454
1213877
13c496
149c83
1580ad
hex6a1b

27163 has 4 divisors (see below), whose sum is σ = 28368. Its totient is φ = 25960.

The previous prime is 27143. The next prime is 27179. The reversal of 27163 is 36172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27163.

It is not an unprimeable number, because it can be changed into a prime (27103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568 + ... + 613.

It is an arithmetic number, because the mean of its divisors is an integer number (7092).

227163 is an apocalyptic number.

27163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

27163 is a deficient number, since it is larger than the sum of its proper divisors (1205).

27163 is a wasteful number, since it uses less digits than its factorization.

27163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its digits is 252, while the sum is 19.

The square root of 27163 is about 164.8120141252. The cubic root of 27163 is about 30.0602492901.

Subtracting 27163 from its reverse (36172), we obtain a palindrome (9009).

It can be divided in two parts, 27 and 163, that added together give a triangular number (190 = T19).

The spelling of 27163 in words is "twenty-seven thousand, one hundred sixty-three".

Divisors: 1 23 1181 27163