Search a number
-
+
243286112 = 2553672141
BaseRepresentation
bin11101000000001…
…00000001100000
3121221210012210202
432200010001200
5444240123422
640050244332
76012616646
oct1640040140
9557705722
10243286112
11115368503
12695866a8
133b5317a4
142444d196
1516559b92
hexe804060

243286112 has 48 divisors (see below), whose sum is σ = 495521712. Its totient is φ = 117511680.

The previous prime is 243286091. The next prime is 243286129. The reversal of 243286112 is 211682342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112562 + ... + 114702.

It is an arithmetic number, because the mean of its divisors is an integer number (10323369).

Almost surely, 2243286112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243286112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247760856).

243286112 is an abundant number, since it is smaller than the sum of its proper divisors (252235600).

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

243286112 is a wasteful number, since it uses less digits than its factorization.

243286112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2263 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 243286112 is about 15597.6316150882. The cubic root of 243286112 is about 624.2699631793.

The spelling of 243286112 in words is "two hundred forty-three million, two hundred eighty-six thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 53 67 106 134 212 268 424 536 848 1072 1696 2141 2144 3551 4282 7102 8564 14204 17128 28408 34256 56816 68512 113473 113632 143447 226946 286894 453892 573788 907784 1147576 1815568 2295152 3631136 4590304 7602691 15205382 30410764 60821528 121643056 243286112