Search a number
-
+
204423230 = 25112776709
BaseRepresentation
bin11000010111101…
…00000000111110
3112020122202221202
430023310000332
5404313020410
632141255502
75031366044
oct1413640076
9466582852
10204423230
11a5434220
1258564592
13334756bb
141d214394
1512e2eca5
hexc2f403e

204423230 has 32 divisors (see below), whose sum is σ = 402922080. Its totient is φ = 74056320.

The previous prime is 204423229. The next prime is 204423239. The reversal of 204423230 is 32324402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423239) 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 15 ways as a sum of consecutive naturals, for example, 27116 + ... + 33824.

It is an arithmetic number, because the mean of its divisors is an integer number (12591315).

Almost surely, 2204423230 is an apocalyptic number.

204423230 is a deficient number, since it is larger than the sum of its proper divisors (198498850).

204423230 is a wasteful number, since it uses less digits than its factorization.

204423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 204423230 is about 14297.6651940098. The cubic root of 204423230 is about 589.0833510832.

Adding to 204423230 its reverse (32324402), we get a palindrome (236747632).

The spelling of 204423230 in words is "two hundred four million, four hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 277 554 1385 2770 3047 6094 6709 13418 15235 30470 33545 67090 73799 147598 368995 737990 1858393 3716786 9291965 18583930 20442323 40884646 102211615 204423230