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304245433 = 15710131913
BaseRepresentation
bin10010001000100…
…110101010111001
3210012111021021101
4102020212222321
51110341323213
650105011401
710353020632
oct2210465271
9705437241
10304245433
11146814108
1285a83b61
134b0562ab
142c59a889
151ba9bbdd
hex12226ab9

304245433 has 8 divisors (see below), whose sum is σ = 306645768. Its totient is φ = 301851264.

The previous prime is 304245419. The next prime is 304245463. The reversal of 304245433 is 334542403.

It can be written as a sum of positive squares in 4 ways, for example, as 4678569 + 299566864 = 2163^2 + 17308^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304245433 - 221 = 302148281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304245463) 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 7 ways as a sum of consecutive naturals, for example, 158085 + ... + 159997.

It is an arithmetic number, because the mean of its divisors is an integer number (38330721).

Almost surely, 2304245433 is an apocalyptic number.

It is an amenable number.

304245433 is a deficient number, since it is larger than the sum of its proper divisors (2400335).

304245433 is a wasteful number, since it uses less digits than its factorization.

304245433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 304245433 is about 17442.6326281327. The cubic root of 304245433 is about 672.5759843756.

Adding to 304245433 its reverse (334542403), we get a palindrome (638787836).

The spelling of 304245433 in words is "three hundred four million, two hundred forty-five thousand, four hundred thirty-three".

Divisors: 1 157 1013 1913 159041 300341 1937869 304245433