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286115242 = 2789229627
BaseRepresentation
bin10001000011011…
…100010110101010
3201221101011022211
4101003130112222
51041221141432
644220235334
710042640140
oct2103342652
9657334284
10286115242
11137560686
127b99bb4a
1347378c7a
1429ddb590
151a1b9d47
hex110dc5aa

286115242 has 16 divisors (see below), whose sum is σ = 495996480. Its totient is φ = 121242528.

The previous prime is 286115231. The next prime is 286115267. The reversal of 286115242 is 242511682.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 113568 + ... + 116059.

It is an arithmetic number, because the mean of its divisors is an integer number (30999780).

Almost surely, 2286115242 is an apocalyptic number.

286115242 is a deficient number, since it is larger than the sum of its proper divisors (209881238).

286115242 is a wasteful number, since it uses less digits than its factorization.

286115242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229725.

The product of its digits is 7680, while the sum is 31.

The square root of 286115242 is about 16914.9413832860. The cubic root of 286115242 is about 658.9417092334.

The spelling of 286115242 in words is "two hundred eighty-six million, one hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 7 14 89 178 623 1246 229627 459254 1607389 3214778 20436803 40873606 143057621 286115242