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204443444 = 22317161233
BaseRepresentation
bin11000010111110…
…00111100110100
3112020200210200102
430023320330310
5404314142234
632141533232
75031512012
oct1413707464
9466623612
10204443444
11a5448427
1258574218
133348196a
141d21b8b2
1512e35c7e
hexc2f8f34

204443444 has 12 divisors (see below), whose sum is σ = 358906884. Its totient is φ = 101898624.

The previous prime is 204443443. The next prime is 204443461. The reversal of 204443444 is 444344402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82119844 + 122323600 = 9062^2 + 11060^2 .

It is a super-2 number, since 2×2044434442 = 83594243589162272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204443441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79349 + ... + 81884.

It is an arithmetic number, because the mean of its divisors is an integer number (29908907).

Almost surely, 2204443444 is an apocalyptic number.

It is an amenable number.

204443444 is a deficient number, since it is larger than the sum of its proper divisors (154463440).

204443444 is a wasteful number, since it uses less digits than its factorization.

204443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161554 (or 161552 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 204443444 is about 14298.3720751700. The cubic root of 204443444 is about 589.1027672366.

Adding to 204443444 its reverse (444344402), we get a palindrome (648787846).

The spelling of 204443444 in words is "two hundred four million, four hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 317 634 1268 161233 322466 644932 51110861 102221722 204443444