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404425201 is a prime number
BaseRepresentation
bin11000000110110…
…000100111110001
31001011222221002011
4120012300213301
51312013101301
6104044122521
713010362135
oct3006604761
91034887064
10404425201
11198318704
12b3536441
1365a3086b
143b9d73c5
1525789a51
hex181b09f1

404425201 has 2 divisors, whose sum is σ = 404425202. Its totient is φ = 404425200.

The previous prime is 404425193. The next prime is 404425267. The reversal of 404425201 is 102524404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249671601 + 154753600 = 15801^2 + 12440^2 .

It is a cyclic number.

It is not a de Polignac number, because 404425201 - 23 = 404425193 is a prime.

It is not a weakly prime, because it can be changed into another prime (404425001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202212600 + 202212601.

It is an arithmetic number, because the mean of its divisors is an integer number (202212601).

Almost surely, 2404425201 is an apocalyptic number.

It is an amenable number.

404425201 is a deficient number, since it is larger than the sum of its proper divisors (1).

404425201 is an equidigital number, since it uses as much as digits as its factorization.

404425201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 404425201 is about 20110.3257308279. The cubic root of 404425201 is about 739.5134377564.

Adding to 404425201 its reverse (102524404), we get a palindrome (506949605).

The spelling of 404425201 in words is "four hundred four million, four hundred twenty-five thousand, two hundred one".