Search a number
-
+
204230143 = 1341383171
BaseRepresentation
bin11000010110001…
…00110111111111
3112020021222002101
430023010313333
5404240331033
632133205531
75026633105
oct1413046777
9466258071
10204230143
11a5312147
12584908a7
1333408850
141d1a3c75
1512de297d
hexc2c4dff

204230143 has 8 divisors (see below), whose sum is σ = 225305136. Its totient is φ = 183921600.

The previous prime is 204230123. The next prime is 204230189. The reversal of 204230143 is 341032402.

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 204230143 - 25 = 204230111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204230143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204230123) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 191053 + ... + 192118.

It is an arithmetic number, because the mean of its divisors is an integer number (28163142).

Almost surely, 2204230143 is an apocalyptic number.

204230143 is a deficient number, since it is larger than the sum of its proper divisors (21074993).

204230143 is a wasteful number, since it uses less digits than its factorization.

204230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383225.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204230143 is about 14290.9112025791. The cubic root of 204230143 is about 588.8978206878.

Adding to 204230143 its reverse (341032402), we get a palindrome (545262545).

The spelling of 204230143 in words is "two hundred four million, two hundred thirty thousand, one hundred forty-three".

Divisors: 1 13 41 533 383171 4981223 15710011 204230143