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306134317 = 1718007901
BaseRepresentation
bin10010001111110…
…011110100101101
3210100001020100001
4102033303310231
51111332244232
650213304301
710405045606
oct2217636455
9710036301
10306134317
11147894275
1286635091
134b567c88
142c92cdad
151bd216e7
hex123f3d2d

306134317 has 4 divisors (see below), whose sum is σ = 324142236. Its totient is φ = 288126400.

The previous prime is 306134291. The next prime is 306134363. The reversal of 306134317 is 713431603.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713431603 = 1634376881.

It can be written as a sum of positive squares in 2 ways, for example, as 206813161 + 99321156 = 14381^2 + 9966^2 .

It is a cyclic number.

It is not a de Polignac number, because 306134317 - 211 = 306132269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306134377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9003934 + ... + 9003967.

It is an arithmetic number, because the mean of its divisors is an integer number (81035559).

Almost surely, 2306134317 is an apocalyptic number.

It is an amenable number.

306134317 is a deficient number, since it is larger than the sum of its proper divisors (18007919).

306134317 is a wasteful number, since it uses less digits than its factorization.

306134317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18007918.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 306134317 is about 17496.6944592400. The cubic root of 306134317 is about 673.9649922969.

The spelling of 306134317 in words is "three hundred six million, one hundred thirty-four thousand, three hundred seventeen".

Divisors: 1 17 18007901 306134317