Search a number
-
+
204286 = 2234441
BaseRepresentation
bin110001110111111110
3101101020011
4301313332
523014121
64213434
71510405
oct616776
9341204
10204286
1112a535
129a27a
1371ca4
145463c
15407e1
hex31dfe

204286 has 8 divisors (see below), whose sum is σ = 319824. Its totient is φ = 97680.

The previous prime is 204251. The next prime is 204299. The reversal of 204286 is 682402.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2175 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (39978).

2204286 is an apocalyptic number.

204286 is a deficient number, since it is larger than the sum of its proper divisors (115538).

204286 is a wasteful number, since it uses less digits than its factorization.

204286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 204286 is about 451.9800880570. The cubic root of 204286 is about 58.8951503699.

Adding to 204286 its reverse (682402), we get a palindrome (886688).

The spelling of 204286 in words is "two hundred four thousand, two hundred eighty-six".

Divisors: 1 2 23 46 4441 8882 102143 204286