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304424344 = 23741132589
BaseRepresentation
bin10010001001010…
…010010110011000
3210012211100200201
4102021102112120
51110413034334
650112511544
710354364350
oct2211222630
9705740621
10304424344
11146926574
1285b4b5b4
134b0b9863
142c605b60
151bad4c14
hex12252598

304424344 has 32 divisors (see below), whose sum is σ = 668253600. Its totient is φ = 127284480.

The previous prime is 304424291. The next prime is 304424347. The reversal of 304424344 is 443424403.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304424347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63999 + ... + 68590.

It is an arithmetic number, because the mean of its divisors is an integer number (20882925).

Almost surely, 2304424344 is an apocalyptic number.

It is an amenable number.

304424344 is an abundant number, since it is smaller than the sum of its proper divisors (363829256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304424344 is a wasteful number, since it uses less digits than its factorization.

304424344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132643 (or 132639 counting only the distinct ones).

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

The square root of 304424344 is about 17447.7604293502. The cubic root of 304424344 is about 672.7077942564.

Adding to 304424344 its reverse (443424403), we get a palindrome (747848747).

The spelling of 304424344 in words is "three hundred four million, four hundred twenty-four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 132589 265178 530356 928123 1060712 1856246 3712492 5436149 7424984 10872298 21744596 38053043 43489192 76106086 152212172 304424344