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304423444 = 22135854297
BaseRepresentation
bin10010001001010…
…010001000010100
3210012211022110101
4102021102020110
51110413022234
650112503444
710354361623
oct2211221024
9705738411
10304423444
11146925926
1285b4ab84
134b0b9320
142c6056ba
151bad4814
hex12252214

304423444 has 12 divisors (see below), whose sum is σ = 573721204. Its totient is φ = 140503104.

The previous prime is 304423417. The next prime is 304423451. The reversal of 304423444 is 444324403.

It can be written as a sum of positive squares in 2 ways, for example, as 21511044 + 282912400 = 4638^2 + 16820^2 .

It is a super-2 number, since 2×3044234442 = 185347266513642272, which contains 22 as substring.

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, 2927097 + ... + 2927200.

Almost surely, 2304423444 is an apocalyptic number.

It is an amenable number.

304423444 is a deficient number, since it is larger than the sum of its proper divisors (269297760).

304423444 is a wasteful number, since it uses less digits than its factorization.

304423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854314 (or 5854312 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 304423444 is about 17447.7346380555. The cubic root of 304423444 is about 672.7071313247.

Adding to 304423444 its reverse (444324403), we get a palindrome (748747847).

It can be divided in two parts, 3044234 and 44, that added together give a triangular number (3044278 = T2467).

The spelling of 304423444 in words is "three hundred four million, four hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 5854297 11708594 23417188 76105861 152211722 304423444