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284868348 = 22323739029
BaseRepresentation
bin10000111110101…
…011111011111100
3201212000210220120
4100332223323330
51040411241343
644133414540
710026224652
oct2076537374
9655023816
10284868348
11136889896
127b49a450
134703056b
1429b94dd2
151a020683
hex10fabefc

284868348 has 12 divisors (see below), whose sum is σ = 664692840. Its totient is φ = 94956112.

The previous prime is 284868341. The next prime is 284868373. The reversal of 284868348 is 843868482.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2848683482 = 162299951384498208, 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 284868348.

It is a congruent number.

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, 11869503 + ... + 11869526.

It is an arithmetic number, because the mean of its divisors is an integer number (55391070).

Almost surely, 2284868348 is an apocalyptic number.

It is an amenable number.

284868348 is an abundant number, since it is smaller than the sum of its proper divisors (379824492).

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

284868348 is a wasteful number, since it uses less digits than its factorization.

284868348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23739036 (or 23739034 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The square root of 284868348 is about 16878.0433700118. The cubic root of 284868348 is about 657.9830897685.

The spelling of 284868348 in words is "two hundred eighty-four million, eight hundred sixty-eight thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 23739029 47478058 71217087 94956116 142434174 284868348