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8044006820 = 2251921168439
BaseRepresentation
bin1110111110111010…
…11100110110100100
3202202121012212220112
413133131130312210
5112433231204240
63410110552152
7403223633633
oct73735346644
922677185815
108044006820
1134586a5423
121685b08658
139b26b0665
1456448151a
153212de665
hex1df75cda4

8044006820 has 24 divisors (see below), whose sum is σ = 17781489600. Its totient is φ = 3048255072.

The previous prime is 8044006819. The next prime is 8044006889. The reversal of 8044006820 is 286004408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10583840 + ... + 10584599.

It is an arithmetic number, because the mean of its divisors is an integer number (740895400).

Almost surely, 28044006820 is an apocalyptic number.

It is an amenable number.

8044006820 is an abundant number, since it is smaller than the sum of its proper divisors (9737482780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8044006820 is a wasteful number, since it uses less digits than its factorization.

8044006820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21168467 (or 21168465 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8044006820 is about 89688.3873196525. The cubic root of 8044006820 is about 2003.6605311683.

The spelling of 8044006820 in words is "eight billion, forty-four million, six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 21168439 42336878 84673756 105842195 211684390 402200341 423368780 804400682 1608801364 2011001705 4022003410 8044006820