Search a number
-
+
205244 = 22133947
BaseRepresentation
bin110010000110111100
3101102112122
4302012330
523031434
64222112
71513244
oct620674
9342478
10205244
11130226
129a938
1372560
1454b24
1540c2e
hex321bc

205244 has 12 divisors (see below), whose sum is σ = 386904. Its totient is φ = 94704.

The previous prime is 205237. The next prime is 205253. The reversal of 205244 is 442502.

205244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 205244.

It is an unprimeable number.

205244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (32242).

2205244 is an apocalyptic number.

It is an amenable number.

205244 is a deficient number, since it is larger than the sum of its proper divisors (181660).

205244 is a wasteful number, since it uses less digits than its factorization.

205244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 205244 is about 453.0386296995. The cubic root of 205244 is about 58.9870698468.

Adding to 205244 its reverse (442502), we get a palindrome (647746).

The spelling of 205244 in words is "two hundred five thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 3947 7894 15788 51311 102622 205244