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2390 = 25239
BaseRepresentation
bin100101010110
310021112
4211112
534030
615022
76653
oct4526
93245
102390
111883
121472
13111b
14c2a
15a95
hex956

2390 has 8 divisors (see below), whose sum is σ = 4320. Its totient is φ = 952.

The previous prime is 2389. The next prime is 2393. The reversal of 2390 is 932.

It can be divided in two parts, 2 and 390, that multiplied together give a triangular number (780 = T39).

It is a happy number.

2390 is nontrivially palindromic in base 4.

2390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 13.

It is a nialpdrome in base 7 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393) 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, 110 + ... + 129.

It is an arithmetic number, because the mean of its divisors is an integer number (540).

22390 is an apocalyptic number.

2390 is a deficient number, since it is larger than the sum of its proper divisors (1930).

2390 is a wasteful number, since it uses less digits than its factorization.

2390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2390 is about 48.8876262463. The cubic root of 2390 is about 13.3700377551.

The spelling of 2390 in words is "two thousand, three hundred ninety".

Divisors: 1 2 5 10 239 478 1195 2390