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806805774 = 232191234673
BaseRepresentation
bin110000000101101…
…110000100001110
32002020010222110100
4300011232010032
53123020241044
6212020351530
725664510265
oct6005560416
92066128410
10806805774
1138446a135
121a62455a6
13cb1c6888
147921b5dc
154ac6d869
hex3016e10e

806805774 has 24 divisors (see below), whose sum is σ = 1757238912. Its totient is φ = 267526080.

The previous prime is 806805763. The next prime is 806805821. The reversal of 806805774 is 477508608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113899 + ... + 120774.

It is an arithmetic number, because the mean of its divisors is an integer number (73218288).

Almost surely, 2806805774 is an apocalyptic number.

806805774 is an abundant number, since it is smaller than the sum of its proper divisors (950433138).

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

806805774 is a wasteful number, since it uses less digits than its factorization.

806805774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234872 (or 234869 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 806805774 is about 28404.3266774624. The cubic root of 806805774 is about 930.9428038653.

The spelling of 806805774 in words is "eight hundred six million, eight hundred five thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 234673 469346 704019 1408038 2112057 4224114 44822543 89645086 134467629 268935258 403402887 806805774