Search a number
-
+
810227223 = 32136925019
BaseRepresentation
bin110000010010110…
…001011000010111
32002110120210210200
4300102301120113
53124404232343
6212221551543
726035550331
oct6022613027
92073523720
10810227223
11386396783
121a74155b3
13cbb23cc0
147986c451
154b1e74d3
hex304b1617

810227223 has 12 divisors (see below), whose sum is σ = 1260353640. Its totient is φ = 498601296.

The previous prime is 810227189. The next prime is 810227227. The reversal of 810227223 is 322722018.

It is a happy number.

It is not a de Polignac number, because 810227223 - 217 = 810096151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810227227) 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 11 ways as a sum of consecutive naturals, for example, 3462393 + ... + 3462626.

It is an arithmetic number, because the mean of its divisors is an integer number (105029470).

Almost surely, 2810227223 is an apocalyptic number.

810227223 is a deficient number, since it is larger than the sum of its proper divisors (450126417).

810227223 is a wasteful number, since it uses less digits than its factorization.

810227223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925038 (or 6925035 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 810227223 is about 28464.4905628047. The cubic root of 810227223 is about 932.2569084136.

The spelling of 810227223 in words is "eight hundred ten million, two hundred twenty-seven thousand, two hundred twenty-three".

Divisors: 1 3 9 13 39 117 6925019 20775057 62325171 90025247 270075741 810227223