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4068789 = 34331541
BaseRepresentation
bin1111100001010110110101
321122201022220
433201112311
52020200124
6223112553
746404234
oct17412665
97581286
104068789
112329a3a
121442759
13ac5c8a
1477cb1b
15555879
hex3e15b5

4068789 has 8 divisors (see below), whose sum is σ = 5551392. Its totient is φ = 2649360.

The previous prime is 4068751. The next prime is 4068811. The reversal of 4068789 is 9878604.

It is a happy number.

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

It is not a de Polignac number, because 4068789 - 212 = 4064693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4068789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068739) 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, 15642 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (693924).

Almost surely, 24068789 is an apocalyptic number.

It is an amenable number.

4068789 is a deficient number, since it is larger than the sum of its proper divisors (1482603).

4068789 is a wasteful number, since it uses less digits than its factorization.

4068789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31587.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 4068789 is about 2017.1239426471. The cubic root of 4068789 is about 159.6449025987.

The spelling of 4068789 in words is "four million, sixty-eight thousand, seven hundred eighty-nine".

Divisors: 1 3 43 129 31541 94623 1356263 4068789