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306680313 = 3531928807
BaseRepresentation
bin10010010001111…
…001000111111001
3210101001222022010
4102101321013321
51112002232223
650233120133
710412511462
oct2221710771
9711058263
10306680313
11148127505
1286859049
134b6c9654
142ca31d69
151bdcd393
hex124791f9

306680313 has 8 divisors (see below), whose sum is σ = 416622528. Its totient is φ = 200595824.

The previous prime is 306680299. The next prime is 306680317. The reversal of 306680313 is 313086603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 306680313 - 28 = 306680057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (306680317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964245 + ... + 964562.

It is an arithmetic number, because the mean of its divisors is an integer number (52077816).

Almost surely, 2306680313 is an apocalyptic number.

It is an amenable number.

306680313 is a deficient number, since it is larger than the sum of its proper divisors (109942215).

306680313 is a wasteful number, since it uses less digits than its factorization.

306680313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928863.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 306680313 is about 17512.2903413574. The cubic root of 306680313 is about 674.3654305124.

The spelling of 306680313 in words is "three hundred six million, six hundred eighty thousand, three hundred thirteen".

Divisors: 1 3 53 159 1928807 5786421 102226771 306680313