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307308912 = 2436402269
BaseRepresentation
bin10010010100010…
…010100101110000
3210102020220120120
4102110102211300
51112132341122
650254410240
710421040231
oct2224224560
9712226516
10307308912
11148516809
1286b00980
134b8897c1
142cb57088
151bea475c
hex12512970

307308912 has 20 divisors (see below), whose sum is σ = 793881480. Its totient is φ = 102436288.

The previous prime is 307308887. The next prime is 307308919. The reversal of 307308912 is 219803703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307308919) 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 3 ways as a sum of consecutive naturals, for example, 3201087 + ... + 3201182.

It is an arithmetic number, because the mean of its divisors is an integer number (39694074).

Almost surely, 2307308912 is an apocalyptic number.

It is an amenable number.

307308912 is an abundant number, since it is smaller than the sum of its proper divisors (486572568).

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

307308912 is a wasteful number, since it uses less digits than its factorization.

307308912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402280 (or 6402274 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 307308912 is about 17530.2285210433. The cubic root of 307308912 is about 674.8258623498.

The spelling of 307308912 in words is "three hundred seven million, three hundred eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 6402269 12804538 19206807 25609076 38413614 51218152 76827228 102436304 153654456 307308912