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404200442 = 28919911411
BaseRepresentation
bin11000000101111…
…001101111111010
31001011120111202202
4120011321233322
51311433403232
6104035230202
713005434642
oct3005715772
91034514682
10404200442
11198184858
12b3448362
1365982479
143b979522
1525743162
hex18179bfa

404200442 has 16 divisors (see below), whose sum is σ = 616248000. Its totient is φ = 198807840.

The previous prime is 404200421. The next prime is 404200453. The reversal of 404200442 is 244002404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29717 + ... + 41127.

It is an arithmetic number, because the mean of its divisors is an integer number (38515500).

Almost surely, 2404200442 is an apocalyptic number.

404200442 is a deficient number, since it is larger than the sum of its proper divisors (212047558).

404200442 is a wasteful number, since it uses less digits than its factorization.

404200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11701.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404200442 is about 20104.7368050417. The cubic root of 404200442 is about 739.3764176921.

Adding to 404200442 its reverse (244002404), we get a palindrome (648202846).

The spelling of 404200442 in words is "four hundred four million, two hundred thousand, four hundred forty-two".

Divisors: 1 2 89 178 199 398 11411 17711 22822 35422 1015579 2031158 2270789 4541578 202100221 404200442