Search a number
-
+
204130343 = 2638812
BaseRepresentation
bin11000010101011…
…00100000100111
3112020002220012002
430022230200213
5404224132333
632131115515
75026036124
oct1412544047
9466086162
10204130343
11a525416a
1258442b9b
13333a22b1
141d17974b
1512dc30e8
hexc2ac827

204130343 has 6 divisors (see below), whose sum is σ = 205139352. Its totient is φ = 203123360.

The previous prime is 204130337. The next prime is 204130351. The reversal of 204130343 is 343031402.

It is a de Polignac number, because none of the positive numbers 2k-204130343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204133343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231263 + ... + 232143.

It is an arithmetic number, because the mean of its divisors is an integer number (34189892).

Almost surely, 2204130343 is an apocalyptic number.

204130343 is a deficient number, since it is larger than the sum of its proper divisors (1009009).

204130343 is an frugal number, since it uses more digits than its factorization.

204130343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 204130343 is about 14287.4190461399. The cubic root of 204130343 is about 588.8018805922.

Adding to 204130343 its reverse (343031402), we get a palindrome (547161745).

The spelling of 204130343 in words is "two hundred four million, one hundred thirty thousand, three hundred forty-three".

Divisors: 1 263 881 231703 776161 204130343