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284868346 = 2720347739
BaseRepresentation
bin10000111110101…
…011111011111010
3201212000210220111
4100332223323322
51040411241341
644133414534
710026224650
oct2076537372
9655023814
10284868346
11136889894
127b49a44a
1347030569
1429b94dd0
151a020681
hex10fabefa

284868346 has 8 divisors (see below), whose sum is σ = 488345760. Its totient is φ = 122086428.

The previous prime is 284868341. The next prime is 284868373. The reversal of 284868346 is 643868482.

284868346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2848683462 = 162299949105551432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 284868346.

It is not an unprimeable number, because it can be changed into a prime (284868341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10173856 + ... + 10173883.

It is an arithmetic number, because the mean of its divisors is an integer number (61043220).

Almost surely, 2284868346 is an apocalyptic number.

284868346 is a deficient number, since it is larger than the sum of its proper divisors (203477414).

284868346 is a wasteful number, since it uses less digits than its factorization.

284868346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347748.

The product of its digits is 1769472, while the sum is 49.

The square root of 284868346 is about 16878.0433107632. The cubic root of 284868346 is about 657.9830882286.

The spelling of 284868346 in words is "two hundred eighty-four million, eight hundred sixty-eight thousand, three hundred forty-six".

Divisors: 1 2 7 14 20347739 40695478 142434173 284868346