Search a number
-
+
204343230 = 235721317237
BaseRepresentation
bin11000010111000…
…00011110111110
3112020111201012210
430023200132332
5404302440410
632135441250
75030613600
oct1413403676
9466451183
10204343230
11a538a103
1258526226
1333448170
141d1d3170
1512e16220
hexc2e07be

204343230 has 288 divisors, whose sum is σ = 670281696. Its totient is φ = 39481344.

The previous prime is 204343187. The next prime is 204343241. The reversal of 204343230 is 32343402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 204343197 and 204343206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5522772 + ... + 5522808.

It is an arithmetic number, because the mean of its divisors is an integer number (2327367).

Almost surely, 2204343230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204343230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335140848).

204343230 is an abundant number, since it is smaller than the sum of its proper divisors (465938466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204343230 is a wasteful number, since it uses less digits than its factorization.

204343230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 204343230 is about 14294.8672606639. The cubic root of 204343230 is about 589.0064961239.

Adding to 204343230 its reverse (32343402), we get a palindrome (236686632).

The spelling of 204343230 in words is "two hundred four million, three hundred forty-three thousand, two hundred thirty".