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420133333 is a prime number
BaseRepresentation
bin11001000010101…
…011100111010101
31002021112222120211
4121002223213111
51330023231313
6105404525421
713261034344
oct3102534725
91067488524
10420133333
111a6177434
12b8850871
1369070609
143db25b5b
1526d3de3d
hex190ab9d5

420133333 has 2 divisors, whose sum is σ = 420133334. Its totient is φ = 420133332.

The previous prime is 420133313. The next prime is 420133361. The reversal of 420133333 is 333331024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260919409 + 159213924 = 16153^2 + 12618^2 .

It is a cyclic number.

It is not a de Polignac number, because 420133333 - 29 = 420132821 is a prime.

420133333 is a modest number, since divided by 33333 gives 4201 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420133303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210066666 + 210066667.

It is an arithmetic number, because the mean of its divisors is an integer number (210066667).

Almost surely, 2420133333 is an apocalyptic number.

It is an amenable number.

420133333 is a deficient number, since it is larger than the sum of its proper divisors (1).

420133333 is an equidigital number, since it uses as much as digits as its factorization.

420133333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 420133333 is about 20497.1542658975. The cubic root of 420133333 is about 748.9664774661.

Adding to 420133333 its reverse (333331024), we get a palindrome (753464357).

The spelling of 420133333 in words is "four hundred twenty million, one hundred thirty-three thousand, three hundred thirty-three".