Search a number
-
+
285184828 = 2271296207
BaseRepresentation
bin10000111111111…
…001001100111100
3201212121220001001
4100333321030330
51041001403303
644144300044
710032013435
oct2077711474
9655556031
10285184828
11136a85645
127b611624
1347111626
1429c3848c
151a08431d
hex10ff933c

285184828 has 6 divisors (see below), whose sum is σ = 499073456. Its totient is φ = 142592412.

The previous prime is 285184799. The next prime is 285184831. The reversal of 285184828 is 828481582.

285184828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2851848282 = 162660772242779168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35648100 + ... + 35648107.

Almost surely, 2285184828 is an apocalyptic number.

It is an amenable number.

285184828 is a deficient number, since it is larger than the sum of its proper divisors (213888628).

285184828 is a wasteful number, since it uses less digits than its factorization.

285184828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71296211 (or 71296209 counting only the distinct ones).

The product of its digits is 327680, while the sum is 46.

The square root of 285184828 is about 16887.4162618205. The cubic root of 285184828 is about 658.2266659347.

The spelling of 285184828 in words is "two hundred eighty-five million, one hundred eighty-four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 71296207 142592414 285184828