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285689119 = 4321373109
BaseRepresentation
bin10001000001110…
…100010100011111
3201220120111210111
4101001310110133
51041114022434
644203150451
710036213612
oct2101642437
9656514714
10285689119
1113729a511
127b815427
134725a021
1429d2a179
151a133964
hex1107451f

285689119 has 8 divisors (see below), whose sum is σ = 292563920. Its totient is φ = 278824896.

The previous prime is 285689101. The next prime is 285689137. The reversal of 285689119 is 911986582.

It is an interprime number because it is at equal distance from previous prime (285689101) and next prime (285689137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285689119 - 217 = 285558047 is a prime.

It is a super-2 number, since 2×2856891192 = 163236545429992322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285689219) by changing a digit.

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, 90337 + ... + 93445.

It is an arithmetic number, because the mean of its divisors is an integer number (36570490).

Almost surely, 2285689119 is an apocalyptic number.

285689119 is a deficient number, since it is larger than the sum of its proper divisors (6874801).

285689119 is a wasteful number, since it uses less digits than its factorization.

285689119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289.

The product of its digits is 311040, while the sum is 49.

The square root of 285689119 is about 16902.3406367284. The cubic root of 285689119 is about 658.6144171850.

The spelling of 285689119 in words is "two hundred eighty-five million, six hundred eighty-nine thousand, one hundred nineteen".

Divisors: 1 43 2137 3109 91891 133687 6643933 285689119