Search a number
-
+
420301417 is a prime number
BaseRepresentation
bin11001000011010…
…100101001101001
31002021212112011011
4121003110221221
51330044121132
6105412303521
713262334364
oct3103245151
91067775134
10420301417
111a6281748
12b8911ba1
13690cbc83
143db6b0db
1526d73b47
hex190d4a69

420301417 has 2 divisors, whose sum is σ = 420301418. Its totient is φ = 420301416.

The previous prime is 420301411. The next prime is 420301429. The reversal of 420301417 is 714103024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420209001 + 92416 = 20499^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 420301417 - 215 = 420268649 is a prime.

It is a super-2 number, since 2×4203014172 = 353306562264415778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420301411) 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, 210150708 + 210150709.

It is an arithmetic number, because the mean of its divisors is an integer number (210150709).

Almost surely, 2420301417 is an apocalyptic number.

It is an amenable number.

420301417 is a deficient number, since it is larger than the sum of its proper divisors (1).

420301417 is an equidigital number, since it uses as much as digits as its factorization.

420301417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 420301417 is about 20501.2540348146. The cubic root of 420301417 is about 749.0663445694.

The spelling of 420301417 in words is "four hundred twenty million, three hundred one thousand, four hundred seventeen".