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27298 = 213649
BaseRepresentation
bin110101010100010
31101110001
412222202
51333143
6330214
7142405
oct65242
941401
1027298
1119567
121396a
13c56b
149d3c
15814d
hex6aa2

27298 has 4 divisors (see below), whose sum is σ = 40950. Its totient is φ = 13648.

The previous prime is 27283. The next prime is 27299. The reversal of 27298 is 89272.

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., 26569 + 729 = 163^2 + 27^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27299) by changing a digit.

27298 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6823 + ... + 6826.

227298 is an apocalyptic number.

27298 is a deficient number, since it is larger than the sum of its proper divisors (13652).

27298 is a wasteful number, since it uses less digits than its factorization.

27298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651.

The product of its digits is 2016, while the sum is 28.

The square root of 27298 is about 165.2210640324. The cubic root of 27298 is about 30.1099667880.

It can be divided in two parts, 27 and 298, that added together give a triangular number (325 = T25).

The spelling of 27298 in words is "twenty-seven thousand, two hundred ninety-eight".

Divisors: 1 2 13649 27298