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204342444 = 22325676179
BaseRepresentation
bin11000010111000…
…00010010101100
3112020111200010200
430023200102230
5404302424234
632135433500
75030611365
oct1413402254
9466450120
10204342444
11a5389559
1258525890
13334479b7
141d1d2b6c
1512e15d99
hexc2e04ac

204342444 has 18 divisors (see below), whose sum is σ = 516532380. Its totient is φ = 68114136.

The previous prime is 204342443. The next prime is 204342461. The reversal of 204342444 is 444243402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (204342443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2838054 + ... + 2838125.

Almost surely, 2204342444 is an apocalyptic number.

It is an amenable number.

204342444 is an abundant number, since it is smaller than the sum of its proper divisors (312189936).

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

204342444 is a wasteful number, since it uses less digits than its factorization.

204342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676189 (or 5676184 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 204342444 is about 14294.8397682520. The cubic root of 204342444 is about 589.0057409245.

Adding to 204342444 its reverse (444243402), we get a palindrome (648585846).

The spelling of 204342444 in words is "two hundred four million, three hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 5676179 11352358 17028537 22704716 34057074 51085611 68114148 102171222 204342444