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27319 = 171607
BaseRepresentation
bin110101010110111
31101110211
412222313
51333234
6330251
7142435
oct65267
941424
1027319
1119586
1213987
13c586
149d55
158164
hex6ab7

27319 has 4 divisors (see below), whose sum is σ = 28944. Its totient is φ = 25696.

The previous prime is 27299. The next prime is 27329. The reversal of 27319 is 91372.

It can be divided in two parts, 273 and 19, that added together give a palindrome (292).

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

It is a cyclic number.

It is not a de Polignac number, because 27319 - 27 = 27191 is a prime.

It is a super-2 number, since 2×273192 = 1492655522, which contains 22 as substring.

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 self number, because there is not a number n which added to its sum of digits gives 27319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27329) 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, 787 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (7236).

227319 is an apocalyptic number.

27319 is a deficient number, since it is larger than the sum of its proper divisors (1625).

27319 is a wasteful number, since it uses less digits than its factorization.

27319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its digits is 378, while the sum is 22.

The square root of 27319 is about 165.2846030337. The cubic root of 27319 is about 30.1176858789.

The spelling of 27319 in words is "twenty-seven thousand, three hundred nineteen".

Divisors: 1 17 1607 27319