Search a number
-
+
811386828 = 223371073263
BaseRepresentation
bin110000010111001…
…100011111001100
32002112202201111000
4300113030133030
53130203334303
6212302500300
726051450160
oct6027143714
92075681430
10811386828
11387008a2a
121a7894690
13cc13ba65
1479a90ca0
154b375da3
hex305cc7cc

811386828 has 48 divisors (see below), whose sum is σ = 2404111360. Its totient is φ = 231824592.

The previous prime is 811386827. The next prime is 811386859. The reversal of 811386828 is 828683118.

811386828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (811386827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535876 + ... + 537387.

Almost surely, 2811386828 is an apocalyptic number.

It is an amenable number.

811386828 is an abundant number, since it is smaller than the sum of its proper divisors (1592724532).

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

811386828 is a wasteful number, since it uses less digits than its factorization.

811386828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073283 (or 1073275 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 811386828 is about 28484.8526062537. The cubic root of 811386828 is about 932.7014480913.

The spelling of 811386828 in words is "eight hundred eleven million, three hundred eighty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1073263 2146526 3219789 4293052 6439578 7512841 9659367 12879156 15025682 19318734 22538523 28978101 30051364 38637468 45077046 57956202 67615569 90154092 115912404 135231138 202846707 270462276 405693414 811386828