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4068645 = 35738749
BaseRepresentation
bin1111100001010100100101
321122201010120
433201110211
52020144040
6223112153
746403640
oct17412445
97581116
104068645
112329919
121442659
13ac5ba9
1477ca57
155557d0
hex3e1525

4068645 has 16 divisors (see below), whose sum is σ = 7440000. Its totient is φ = 1859904.

The previous prime is 4068619. The next prime is 4068653. The reversal of 4068645 is 5468604.

It is a happy number.

4068645 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 4068645 - 210 = 4067621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19270 + ... + 19479.

It is an arithmetic number, because the mean of its divisors is an integer number (465000).

Almost surely, 24068645 is an apocalyptic number.

It is an amenable number.

4068645 is a deficient number, since it is larger than the sum of its proper divisors (3371355).

4068645 is a wasteful number, since it uses less digits than its factorization.

4068645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38764.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4068645 is about 2017.0882479455. The cubic root of 4068645 is about 159.6430192261.

The spelling of 4068645 in words is "four million, sixty-eight thousand, six hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 38749 116247 193745 271243 581235 813729 1356215 4068645