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304345201 = 893419609
BaseRepresentation
bin10010001000111…
…111000001110001
3210012200100010111
4102020333001301
51110403021301
650111101321
710353614536
oct2210770161
9705610114
10304345201
11146882066
1285b11841
134b08c824
142c5c4d8d
151babb551
hex1223f071

304345201 has 4 divisors (see below), whose sum is σ = 307764900. Its totient is φ = 300925504.

The previous prime is 304345189. The next prime is 304345241. The reversal of 304345201 is 102543403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102543403 = 360728429.

It can be written as a sum of positive squares in 2 ways, for example, as 21298225 + 283046976 = 4615^2 + 16824^2 .

It is a cyclic number.

It is not a de Polignac number, because 304345201 - 215 = 304312433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304345241) 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 in 3 ways as a sum of consecutive naturals, for example, 1709716 + ... + 1709893.

It is an arithmetic number, because the mean of its divisors is an integer number (76941225).

Almost surely, 2304345201 is an apocalyptic number.

It is an amenable number.

304345201 is a deficient number, since it is larger than the sum of its proper divisors (3419699).

304345201 is an equidigital number, since it uses as much as digits as its factorization.

304345201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419698.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 304345201 is about 17445.4922831086. The cubic root of 304345201 is about 672.6494932604.

Adding to 304345201 its reverse (102543403), we get a palindrome (406888604).

The spelling of 304345201 in words is "three hundred four million, three hundred forty-five thousand, two hundred one".

Divisors: 1 89 3419609 304345201