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285672542 = 2887161033
BaseRepresentation
bin10001000001110…
…000010001011110
3201220112200001112
4101001300101132
51041113010132
644202542022
710036114361
oct2101602136
9656480045
10285672542
11137289011
127b807912
134725260c
1429d240d8
151a12dab2
hex1107045e

285672542 has 8 divisors (see below), whose sum is σ = 428994576. Its totient is φ = 142674352.

The previous prime is 285672511. The next prime is 285672553. The reversal of 285672542 is 245276582.

285672542 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 self number, because there is not a number n which added to its sum of digits gives 285672542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78743 + ... + 82290.

It is an arithmetic number, because the mean of its divisors is an integer number (53624322).

Almost surely, 2285672542 is an apocalyptic number.

285672542 is a deficient number, since it is larger than the sum of its proper divisors (143322034).

285672542 is a wasteful number, since it uses less digits than its factorization.

285672542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161922.

The product of its digits is 268800, while the sum is 41.

The square root of 285672542 is about 16901.8502537444. The cubic root of 285672542 is about 658.6016783235.

The spelling of 285672542 in words is "two hundred eighty-five million, six hundred seventy-two thousand, five hundred forty-two".

Divisors: 1 2 887 1774 161033 322066 142836271 285672542