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2109395 = 5312439
BaseRepresentation
bin1000000010111111010011
310222011112202
420002333103
51020000040
6113113415
723633561
oct10027723
93864482
102109395
111210902
1285886b
1358b182
143cca31
152ba015
hex202fd3

2109395 has 12 divisors (see below), whose sum is σ = 2621520. Its totient is φ = 1629360.

The previous prime is 2109391. The next prime is 2109403. The reversal of 2109395 is 5939012.

2109395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2109395 - 22 = 2109391 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4586 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (218460).

22109395 is an apocalyptic number.

2109395 is a deficient number, since it is larger than the sum of its proper divisors (512125).

2109395 is an equidigital number, since it uses as much as digits as its factorization.

2109395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2109395 is about 1452.3756401152. The cubic root of 2109395 is about 128.2486013271.

The spelling of 2109395 in words is "two million, one hundred nine thousand, three hundred ninety-five".

Divisors: 1 5 31 155 439 961 2195 4805 13609 68045 421879 2109395