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2418 = 231331

2418 has 16 divisors (see below), whose sum is σ = 5376. Its totient is φ = 720.

The previous prime is 2417. The next prime is 2423. The reversal of 2418 is 8142.

2418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2397 and 2406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2411) 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, 63 + ... + 93.

It is an arithmetic number, because the mean of its divisors is an integer number (336).

It is a practical number, because each smaller number is the sum of distinct divisors of 2418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688).

2418 is an abundant number, since it is smaller than the sum of its proper divisors (2958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2418 is a wasteful number, since it uses less digits than its factorization.

2418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49.

The product of its digits is 64, while the sum is 15.

The square root of 2418 is about 49.1731634126. The cubic root of 2418 is about 13.4220473170.

The spelling of 2418 in words is "two thousand, four hundred eighteen".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418