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340244105 = 568048821
BaseRepresentation
bin10100010001111…
…011011010001001
3212201020012011112
4110101323122021
51144100302410
653432340105
711301012215
oct2421733211
9781205145
10340244105
11165071483
1295b44635
135564b796
143328b945
151ed0d105
hex1447b689

340244105 has 4 divisors (see below), whose sum is σ = 408292932. Its totient is φ = 272195280.

The previous prime is 340244101. The next prime is 340244111. The reversal of 340244105 is 501442043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501442043 = 4391142237.

It can be written as a sum of positive squares in 2 ways, for example, as 116920969 + 223323136 = 10813^2 + 14944^2 .

It is not a de Polignac number, because 340244105 - 22 = 340244101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340244101) 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, 34024406 + ... + 34024415.

It is an arithmetic number, because the mean of its divisors is an integer number (102073233).

Almost surely, 2340244105 is an apocalyptic number.

It is an amenable number.

340244105 is a deficient number, since it is larger than the sum of its proper divisors (68048827).

340244105 is an equidigital number, since it uses as much as digits as its factorization.

340244105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68048826.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 340244105 is about 18445.7069531097. The cubic root of 340244105 is about 698.1201979356.

Adding to 340244105 its reverse (501442043), we get a palindrome (841686148).

The spelling of 340244105 in words is "three hundred forty million, two hundred forty-four thousand, one hundred five".

Divisors: 1 5 68048821 340244105