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18194 = 211827
BaseRepresentation
bin100011100010010
3220221212
410130102
51040234
6220122
7104021
oct43422
926855
1018194
1112740
12a642
138387
1468b8
1555ce
hex4712

18194 has 8 divisors (see below), whose sum is σ = 29808. Its totient is φ = 8260.

The previous prime is 18191. The next prime is 18199. The reversal of 18194 is 49181.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (18191) 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, 392 + ... + 435.

It is an arithmetic number, because the mean of its divisors is an integer number (3726).

218194 is an apocalyptic number.

18194 is a deficient number, since it is larger than the sum of its proper divisors (11614).

18194 is a wasteful number, since it uses less digits than its factorization.

18194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its digits is 288, while the sum is 23.

The square root of 18194 is about 134.8851363198. The cubic root of 18194 is about 26.3012302624.

It can be divided in two parts, 18 and 194, that added together give a palindrome (212).

The spelling of 18194 in words is "eighteen thousand, one hundred ninety-four".

Divisors: 1 2 11 22 827 1654 9097 18194