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8028385371 = 321799752631
BaseRepresentation
bin1110111101000011…
…10111000001011011
3202201111211020022100
413132201313001123
5112420231312441
63404352054443
7402644102226
oct73641670133
922644736270
108028385371
11344a8a5836
121680834423
139ac3a11b6
145623765bd
1531ec55cb6
hex1de87705b

8028385371 has 24 divisors (see below), whose sum is σ = 12291256224. Its totient is φ = 5032270080.

The previous prime is 8028385333. The next prime is 8028385403. The reversal of 8028385371 is 1735838208.

8028385371 is a `hidden beast` number, since 80 + 2 + 8 + 38 + 537 + 1 = 666.

8028385371 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8028385371 - 222 = 8024191067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8028385271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126226 + ... + 178856.

It is an arithmetic number, because the mean of its divisors is an integer number (512135676).

Almost surely, 28028385371 is an apocalyptic number.

8028385371 is a deficient number, since it is larger than the sum of its proper divisors (4262870853).

8028385371 is a wasteful number, since it uses less digits than its factorization.

8028385371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53651 (or 53648 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 8028385371 is about 89601.2576418434. The cubic root of 8028385371 is about 2002.3626554140.

The spelling of 8028385371 in words is "eight billion, twenty-eight million, three hundred eighty-five thousand, three hundred seventy-one".

Divisors: 1 3 9 17 51 153 997 2991 8973 16949 50847 52631 152541 157893 473679 894727 2684181 8052543 52473107 157419321 472257963 892042819 2676128457 8028385371