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304042401 = 32132598653
BaseRepresentation
bin10010000111110…
…101000110100001
3210012002221202200
4102013311012201
51110313324101
650100403413
710351213665
oct2207650641
9705087680
10304042401
11146695613
12859a6569
134acb4a60
142c5468a5
151ba5b986
hex121f51a1

304042401 has 12 divisors (see below), whose sum is σ = 472955028. Its totient is φ = 187102944.

The previous prime is 304042381. The next prime is 304042439. The reversal of 304042401 is 104240403.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 275526801 = 5340^2 + 16599^2 .

It is not a de Polignac number, because 304042401 - 25 = 304042369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (304042471) 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 11 ways as a sum of consecutive naturals, for example, 1299210 + ... + 1299443.

It is an arithmetic number, because the mean of its divisors is an integer number (39412919).

Almost surely, 2304042401 is an apocalyptic number.

It is an amenable number.

304042401 is a deficient number, since it is larger than the sum of its proper divisors (168912627).

304042401 is a wasteful number, since it uses less digits than its factorization.

304042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598672 (or 2598669 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 304042401 is about 17436.8116638335. The cubic root of 304042401 is about 672.4263411169.

Adding to 304042401 its reverse (104240403), we get a palindrome (408282804).

The spelling of 304042401 in words is "three hundred four million, forty-two thousand, four hundred one".

Divisors: 1 3 9 13 39 117 2598653 7795959 23387877 33782489 101347467 304042401