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306799312 = 2431618547
BaseRepresentation
bin10010010010010…
…110001011010000
3210101022000112111
4102102112023100
51112020034222
650235435104
710413515431
oct2222261320
9711260474
10306799312
111481a8956
12868b5a94
134b73b871
142ca63488
151be03777
hex124962d0

306799312 has 20 divisors (see below), whose sum is σ = 613599616. Its totient is φ = 148451040.

The previous prime is 306799309. The next prime is 306799333. The reversal of 306799312 is 213997603.

306799312 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 308778 + ... + 309769.

Almost surely, 2306799312 is an apocalyptic number.

It is an amenable number.

306799312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

306799312 is a wasteful number, since it uses less digits than its factorization.

306799312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618586 (or 618580 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 306799312 is about 17515.6875971228. The cubic root of 306799312 is about 674.4526423214.

The spelling of 306799312 in words is "three hundred six million, seven hundred ninety-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 618547 1237094 2474188 4948376 9896752 19174957 38349914 76699828 153399656 306799312