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806922801 = 32731228193
BaseRepresentation
bin110000000110001…
…010101000110001
32002020100220222200
4300012022220301
53123033012201
6212023053413
725665505416
oct6006125061
92066326880
10806922801
1138453a053
121a62a1269
13cb237c19
147924c10d
154ac93386
hex3018aa31

806922801 has 12 divisors (see below), whose sum is σ = 1181522628. Its totient is φ = 530578944.

The previous prime is 806922773. The next prime is 806922811. The reversal of 806922801 is 108229608.

It can be written as a sum of positive squares in 2 ways, for example, as 696168225 + 110754576 = 26385^2 + 10524^2 .

It is not a de Polignac number, because 806922801 - 25 = 806922769 is a prime.

It is a super-2 number, since 2×8069228012 = 1302248813547371202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806922811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 613440 + ... + 614753.

It is an arithmetic number, because the mean of its divisors is an integer number (98460219).

Almost surely, 2806922801 is an apocalyptic number.

It is an amenable number.

806922801 is a deficient number, since it is larger than the sum of its proper divisors (374599827).

806922801 is a wasteful number, since it uses less digits than its factorization.

806922801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228272 (or 1228269 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 806922801 is about 28406.3866234338. The cubic root of 806922801 is about 930.9878127054.

The spelling of 806922801 in words is "eight hundred six million, nine hundred twenty-two thousand, eight hundred one".

Divisors: 1 3 9 73 219 657 1228193 3684579 11053737 89658089 268974267 806922801