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27213 = 347193
BaseRepresentation
bin110101001001101
31101022220
412221031
51332323
6325553
7142224
oct65115
941286
1027213
111949a
12138b9
13c504
149cbb
1580e3
hex6a4d

27213 has 8 divisors (see below), whose sum is σ = 37248. Its totient is φ = 17664.

The previous prime is 27211. The next prime is 27239. The reversal of 27213 is 31272.

Adding to 27213 its reverse (31272), we get a palindrome (58485).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27213 - 21 = 27211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27192 and 27201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 237.

It is an arithmetic number, because the mean of its divisors is an integer number (4656).

227213 is an apocalyptic number.

It is an amenable number.

27213 is a deficient number, since it is larger than the sum of its proper divisors (10035).

27213 is a wasteful number, since it uses less digits than its factorization.

27213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 84, while the sum is 15.

The square root of 27213 is about 164.9636323557. The cubic root of 27213 is about 30.0786823448.

The spelling of 27213 in words is "twenty-seven thousand, two hundred thirteen".

Divisors: 1 3 47 141 193 579 9071 27213