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2318 = 21961
BaseRepresentation
bin100100001110
310011212
4210032
533233
614422
76521
oct4416
93155
102318
111818
121412
131094
14bb8
15a48
hex90e

2318 has 8 divisors (see below), whose sum is σ = 3720. Its totient is φ = 1080.

The previous prime is 2311. The next prime is 2333. The reversal of 2318 is 8132.

Adding to 2318 its sum of digits (14), we get a palindrome (2332).

Subtracting from 2318 its sum of digits (14), we obtain a square (2304 = 482).

It can be divided in two parts, 23 and 18, that multiplied together give a palindrome (414).

2318 is nontrivially palindromic in base 5.

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

2318 is an undulating number in base 11.

It is a Curzon number.

It is a nialpdrome in base 7 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 68.

It is an arithmetic number, because the mean of its divisors is an integer number (465).

22318 is an apocalyptic number.

2318 is a deficient number, since it is larger than the sum of its proper divisors (1402).

2318 is a wasteful number, since it uses less digits than its factorization.

2318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82.

The product of its digits is 48, while the sum is 14.

The square root of 2318 is about 48.1456124688. The cubic root of 2318 is about 13.2344067185.

The spelling of 2318 in words is "two thousand, three hundred eighteen".

Divisors: 1 2 19 38 61 122 1159 2318