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306912966 = 231923117053
BaseRepresentation
bin10010010010110…
…001111011000110
3210101111210102220
4102102301323012
51112032203331
650242113210
710414500663
oct2222617306
9711453386
10306912966
11148276288
128694b806
134b77b509
142ca92a6a
151be27296
hex124b1ec6

306912966 has 32 divisors (see below), whose sum is σ = 674231040. Its totient is φ = 92705184.

The previous prime is 306912929. The next prime is 306912967. The reversal of 306912966 is 669219603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306912967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55905 + ... + 61148.

It is an arithmetic number, because the mean of its divisors is an integer number (21069720).

Almost surely, 2306912966 is an apocalyptic number.

306912966 is an abundant number, since it is smaller than the sum of its proper divisors (367318074).

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

306912966 is a wasteful number, since it uses less digits than its factorization.

306912966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117100.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 306912966 is about 17518.9316455085. The cubic root of 306912966 is about 674.5359158426.

The spelling of 306912966 in words is "three hundred six million, nine hundred twelve thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 874 1311 2622 117053 234106 351159 702318 2224007 2692219 4448014 5384438 6672021 8076657 13344042 16153314 51152161 102304322 153456483 306912966