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304434012 = 22331818371
BaseRepresentation
bin10010001001010…
…100101101011100
3210012211211221210
4102021110231130
51110413342022
650113024420
710354434501
oct2211245534
9705754853
10304434012
11146932863
1285b55110
134b0c108c
142c6094a8
151bad7a0c
hex12254b5c

304434012 has 24 divisors (see below), whose sum is σ = 733261312. Its totient is φ = 98204400.

The previous prime is 304434007. The next prime is 304434019. The reversal of 304434012 is 210434403.

It is a super-2 number, since 2×3044340122 = 185360135324832288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304434012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304434019) 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, 408814 + ... + 409557.

Almost surely, 2304434012 is an apocalyptic number.

It is an amenable number.

304434012 is an abundant number, since it is smaller than the sum of its proper divisors (428827300).

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

304434012 is a wasteful number, since it uses less digits than its factorization.

304434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818409 (or 818407 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 304434012 is about 17448.0374827658. The cubic root of 304434012 is about 672.7149155332.

Adding to 304434012 its reverse (210434403), we get a palindrome (514868415).

The spelling of 304434012 in words is "three hundred four million, four hundred thirty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 818371 1636742 2455113 3273484 4910226 9820452 25369501 50739002 76108503 101478004 152217006 304434012