Search a number
-
+
204432443 = 103109131139
BaseRepresentation
bin11000010111101…
…10010000111011
3112020200020120222
430023312100323
5404313314233
632141410255
75031434645
oct1413662073
9466606528
10204432443
11a5440136
125856998b
1333479957
141d217895
1512e32898
hexc2f643b

204432443 has 16 divisors (see below), whose sum is σ = 211411200. Its totient is φ = 197627040.

The previous prime is 204432439. The next prime is 204432467. The reversal of 204432443 is 344234402.

It is a cyclic number.

It is not a de Polignac number, because 204432443 - 22 = 204432439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204432413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470668 + ... + 1470806.

It is an arithmetic number, because the mean of its divisors is an integer number (13213200).

Almost surely, 2204432443 is an apocalyptic number.

204432443 is a deficient number, since it is larger than the sum of its proper divisors (6978757).

204432443 is a wasteful number, since it uses less digits than its factorization.

204432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 204432443 is about 14297.9873758512. The cubic root of 204432443 is about 589.0922006048.

Adding to 204432443 its reverse (344234402), we get a palindrome (548666845).

The spelling of 204432443 in words is "two hundred four million, four hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 103 109 131 139 11227 13493 14279 14317 15151 18209 1470737 1560553 1875527 1984781 204432443