Search a number
-
+
2340439 = 19199619
BaseRepresentation
bin1000111011011001010111
311101220110221
420323121113
51044343224
6122055211
725615303
oct10733127
94356427
102340439
111359452
1294a507
1363c39a
1444cd03
153136e4
hex23b657

2340439 has 8 divisors (see below), whose sum is σ = 2480000. Its totient is φ = 2202552.

The previous prime is 2340431. The next prime is 2340451. The reversal of 2340439 is 9340432.

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

It is a cyclic number.

It is not a de Polignac number, because 2340439 - 23 = 2340431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3472 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (310000).

22340439 is an apocalyptic number.

2340439 is a deficient number, since it is larger than the sum of its proper divisors (139561).

2340439 is a wasteful number, since it uses less digits than its factorization.

2340439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2340439 is about 1529.8493389873. The cubic root of 2340439 is about 132.7697412250.

The spelling of 2340439 in words is "two million, three hundred forty thousand, four hundred thirty-nine".

Divisors: 1 19 199 619 3781 11761 123181 2340439