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309340094 = 2722095721
BaseRepresentation
bin10010011100000…
…010011110111110
3210120002002211112
4102130002132332
51113142340334
650410122022
710444230110
oct2234023676
9716062745
10309340094
11149683878
1287720312
134c11b19b
142d1253b0
151c2564ce
hex127027be

309340094 has 8 divisors (see below), whose sum is σ = 530297328. Its totient is φ = 132574320.

The previous prime is 309340093. The next prime is 309340111. The reversal of 309340094 is 490043903.

309340094 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 309340094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309340093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11047847 + ... + 11047874.

It is an arithmetic number, because the mean of its divisors is an integer number (66287166).

Almost surely, 2309340094 is an apocalyptic number.

309340094 is a deficient number, since it is larger than the sum of its proper divisors (220957234).

309340094 is a wasteful number, since it uses less digits than its factorization.

309340094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22095730.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 309340094 is about 17588.0668067869. The cubic root of 309340094 is about 676.3093699093.

Adding to 309340094 its reverse (490043903), we get a palindrome (799383997).

The spelling of 309340094 in words is "three hundred nine million, three hundred forty thousand, ninety-four".

Divisors: 1 2 7 14 22095721 44191442 154670047 309340094