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340105 = 5251271
BaseRepresentation
bin1010011000010001001
3122021112111
41103002021
541340410
611142321
72614363
oct1230211
9567474
10340105
11212587
121449a1
13bba5c
148bd33
156ab8a
hex53089

340105 has 8 divisors (see below), whose sum is σ = 411264. Its totient is φ = 270000.

The previous prime is 340103. The next prime is 340111. The reversal of 340105 is 501043.

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

It is not a de Polignac number, because 340105 - 21 = 340103 is a prime.

It is a super-2 number, since 2×3401052 = 231342822050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2340105 is an apocalyptic number.

It is an amenable number.

340105 is a deficient number, since it is larger than the sum of its proper divisors (71159).

340105 is a wasteful number, since it uses less digits than its factorization.

340105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 340105 is about 583.1852192914. The cubic root of 340105 is about 69.8025045420.

Adding to 340105 its reverse (501043), we get a palindrome (841148).

The spelling of 340105 in words is "three hundred forty thousand, one hundred five".

Divisors: 1 5 251 271 1255 1355 68021 340105