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304103005 = 560820601
BaseRepresentation
bin10010001000000…
…011111001011101
3210012020000220021
4102020003321131
51110322244010
650101552141
710351555453
oct2210037135
9705200807
10304103005
111467270a8
1285a15651
134b00650b
142c5609d3
151ba6e8da
hex12203e5d

304103005 has 4 divisors (see below), whose sum is σ = 364923612. Its totient is φ = 243282400.

The previous prime is 304102993. The next prime is 304103053. The reversal of 304103005 is 500301403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49477156 + 254625849 = 7034^2 + 15957^2 .

It is not a de Polignac number, because 304103005 - 215 = 304070237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304103005.

It is a congruent number.

It is an unprimeable number.

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, 30410296 + ... + 30410305.

It is an arithmetic number, because the mean of its divisors is an integer number (91230903).

Almost surely, 2304103005 is an apocalyptic number.

It is an amenable number.

304103005 is a deficient number, since it is larger than the sum of its proper divisors (60820607).

304103005 is an equidigital number, since it uses as much as digits as its factorization.

304103005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60820606.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 304103005 is about 17438.5493949468. The cubic root of 304103005 is about 672.4710158272.

Adding to 304103005 its reverse (500301403), we get a palindrome (804404408).

The spelling of 304103005 in words is "three hundred four million, one hundred three thousand, five".

Divisors: 1 5 60820601 304103005