Search a number
-
+
18314 = 29157
BaseRepresentation
bin100011110001010
3221010022
410132022
51041224
6220442
7104252
oct43612
927108
1018314
111283a
12a722
13844a
146962
15565e
hex478a

18314 has 4 divisors (see below), whose sum is σ = 27474. Its totient is φ = 9156.

The previous prime is 18313. The next prime is 18329. The reversal of 18314 is 41381.

It is a happy number.

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., 17689 + 625 = 133^2 + 25^2 .

It is a Curzon number.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 18292 and 18301.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 18314.

It is not an unprimeable number, because it can be changed into a prime (18311) by changing a digit.

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, 4577 + ... + 4580.

218314 is an apocalyptic number.

18314 is a deficient number, since it is larger than the sum of its proper divisors (9160).

18314 is an equidigital number, since it uses as much as digits as its factorization.

18314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9159.

The product of its digits is 96, while the sum is 17.

The square root of 18314 is about 135.3292281808. The cubic root of 18314 is about 26.3589275631.

Adding to 18314 its reverse (41381), we get a palindrome (59695).

The spelling of 18314 in words is "eighteen thousand, three hundred fourteen".

Divisors: 1 2 9157 18314