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304431004 = 22691711003
BaseRepresentation
bin10010001001010…
…011111110011100
3210012211200211101
4102021103332130
51110413243004
650113002444
710354422643
oct2211237634
9705750741
10304431004
11146930579
1285b53424
134b0bc8b7
142c60835a
151bad6ba4
hex12253f9c

304431004 has 12 divisors (see below), whose sum is σ = 532879704. Its totient is φ = 152179664.

The previous prime is 304430963. The next prime is 304431047. The reversal of 304431004 is 400134403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22167 + ... + 33169.

It is an arithmetic number, because the mean of its divisors is an integer number (44406642).

Almost surely, 2304431004 is an apocalyptic number.

It is an amenable number.

304431004 is a deficient number, since it is larger than the sum of its proper divisors (228448700).

304431004 is a wasteful number, since it uses less digits than its factorization.

304431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17922 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 304431004 is about 17447.9512837468. The cubic root of 304431004 is about 672.7126999101.

Adding to 304431004 its reverse (400134403), we get a palindrome (704565407).

The spelling of 304431004 in words is "three hundred four million, four hundred thirty-one thousand, four".

Divisors: 1 2 4 6917 11003 13834 22006 27668 44012 76107751 152215502 304431004