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285044614 = 2142522307
BaseRepresentation
bin10000111111010…
…110111110000110
3201212100202200221
4100333112332012
51040432411424
644141254554
710030560601
oct2077267606
9655322627
10285044614
1113699a268
127b56445a
134709286a
1429bdd338
151a0579e4
hex10fd6f86

285044614 has 4 divisors (see below), whose sum is σ = 427566924. Its totient is φ = 142522306.

The previous prime is 285044609. The next prime is 285044629. The reversal of 285044614 is 416440582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 416440582 = 2208220291.

It is a self number, because there is not a number n which added to its sum of digits gives 285044614.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71261152 + ... + 71261155.

It is an arithmetic number, because the mean of its divisors is an integer number (106891731).

Almost surely, 2285044614 is an apocalyptic number.

285044614 is a deficient number, since it is larger than the sum of its proper divisors (142522310).

285044614 is a wasteful number, since it uses less digits than its factorization.

285044614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142522309.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 285044614 is about 16883.2643170685. The cubic root of 285044614 is about 658.1187736554.

The spelling of 285044614 in words is "two hundred eighty-five million, forty-four thousand, six hundred fourteen".

Divisors: 1 2 142522307 285044614