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306836113 = 1091281243
BaseRepresentation
bin10010010010011…
…111001010010001
3210101100220000111
4102102133022101
51112022223423
650240321321
710414030633
oct2222371221
9711326014
10306836113
11148223571
1286913241
134b75253c
142ca72a53
151be0e60d
hex1249f291

306836113 has 4 divisors (see below), whose sum is σ = 307118448. Its totient is φ = 306553780.

The previous prime is 306836093. The next prime is 306836129. The reversal of 306836113 is 311638603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 306836113 - 213 = 306827921 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306836513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139531 + ... + 141712.

It is an arithmetic number, because the mean of its divisors is an integer number (76779612).

Almost surely, 2306836113 is an apocalyptic number.

It is an amenable number.

306836113 is a deficient number, since it is larger than the sum of its proper divisors (282335).

306836113 is a wasteful number, since it uses less digits than its factorization.

306836113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282334.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 306836113 is about 17516.7380810469. The cubic root of 306836113 is about 674.4796084177.

The spelling of 306836113 in words is "three hundred six million, eight hundred thirty-six thousand, one hundred thirteen".

Divisors: 1 1091 281243 306836113