Search a number
-
+
284244868 = 2271061217
BaseRepresentation
bin10000111100010…
…011101110000100
3201210212010122201
4100330103232010
51040231313433
644112204244
710021020145
oct2074235604
9653763581
10284244868
111364a3416
127b239684
1346b7283b
1429a71acc
1519e4aa7d
hex10f13b84

284244868 has 6 divisors (see below), whose sum is σ = 497428526. Its totient is φ = 142122432.

The previous prime is 284244847. The next prime is 284244869. The reversal of 284244868 is 868442482.

It can be written as a sum of positive squares in only one way, i.e., 282307204 + 1937664 = 16802^2 + 1392^2 .

It is not an unprimeable number, because it can be changed into a prime (284244869) 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 as a sum of consecutive naturals, namely, 35530605 + ... + 35530612.

Almost surely, 2284244868 is an apocalyptic number.

It is an amenable number.

284244868 is a deficient number, since it is larger than the sum of its proper divisors (213183658).

284244868 is a wasteful number, since it uses less digits than its factorization.

284244868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71061221 (or 71061219 counting only the distinct ones).

The product of its digits is 786432, while the sum is 46.

The square root of 284244868 is about 16859.5631022871. The cubic root of 284244868 is about 657.5027053434.

The spelling of 284244868 in words is "two hundred eighty-four million, two hundred forty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 71061217 142122434 284244868