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306001313 = 893438217
BaseRepresentation
bin10010001111010…
…011010110100001
3210022210110212222
4102033103112201
51111314020223
650210400425
710403653052
oct2217232641
9708713788
10306001313
11147803352
1286590115
134b51c587
142c8d6729
151bce70c8
hex123d35a1

306001313 has 4 divisors (see below), whose sum is σ = 309439620. Its totient is φ = 302563008.

The previous prime is 306001187. The next prime is 306001331. The reversal of 306001313 is 313100603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313100603 = 768140763.

It can be written as a sum of positive squares in 2 ways, for example, as 136142224 + 169859089 = 11668^2 + 13033^2 .

It is a cyclic number.

It is not a de Polignac number, because 306001313 - 212 = 305997217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306001291 and 306001300.

It is not an unprimeable number, because it can be changed into a prime (306004313) 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, 1719020 + ... + 1719197.

It is an arithmetic number, because the mean of its divisors is an integer number (77359905).

Almost surely, 2306001313 is an apocalyptic number.

It is an amenable number.

306001313 is a deficient number, since it is larger than the sum of its proper divisors (3438307).

306001313 is an equidigital number, since it uses as much as digits as its factorization.

306001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438306.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 306001313 is about 17492.8932141027. The cubic root of 306001313 is about 673.8673738990.

Adding to 306001313 its reverse (313100603), we get a palindrome (619101916).

It can be divided in two parts, 30600 and 1313, that added together give a palindrome (31913).

The spelling of 306001313 in words is "three hundred six million, one thousand, three hundred thirteen".

Divisors: 1 89 3438217 306001313