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27682 = 213841
BaseRepresentation
bin110110000100010
31101222021
412300202
51341212
6332054
7143464
oct66042
941867
1027682
1119886
121402a
13c7a5
14a134
158307
hex6c22

27682 has 4 divisors (see below), whose sum is σ = 41526. Its totient is φ = 13840.

The previous prime is 27673. The next prime is 27689. The reversal of 27682 is 28672.

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

It can be written as a sum of positive squares in only one way, i.e., 25281 + 2401 = 159^2 + 49^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27689) by changing a digit.

27682 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919 + ... + 6922.

227682 is an apocalyptic number.

27682 is a deficient number, since it is larger than the sum of its proper divisors (13844).

27682 is a wasteful number, since it uses less digits than its factorization.

27682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13843.

The product of its digits is 1344, while the sum is 25.

The square root of 27682 is about 166.3790852241. The cubic root of 27682 is about 30.2504951766.

Subtracting 27682 from its reverse (28672), we obtain a triangular number (990 = T44).

The spelling of 27682 in words is "twenty-seven thousand, six hundred eighty-two".

Divisors: 1 2 13841 27682