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13316305 = 512372153
BaseRepresentation
bin110010110011…
…000011010001
3221001112112111
4302303003101
511402110210
61153225321
7221121022
oct62630321
927045474
1013316305
117575812
124562241
1329b3192
141aa8c49
15128088a
hexcb30d1

13316305 has 8 divisors (see below), whose sum is σ = 15999912. Its totient is φ = 10639488.

The previous prime is 13316297. The next prime is 13316311. The reversal of 13316305 is 50361331.

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 12787776 = 727^2 + 3576^2 .

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 13316305 - 23 = 13316297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5109 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (1999989).

Almost surely, 213316305 is an apocalyptic number.

It is an amenable number.

13316305 is a deficient number, since it is larger than the sum of its proper divisors (2683607).

13316305 is a wasteful number, since it uses less digits than its factorization.

13316305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 13316305 is about 3649.1512711862. The cubic root of 13316305 is about 237.0252306870.

Adding to 13316305 its reverse (50361331), we get a palindrome (63677636).

The spelling of 13316305 in words is "thirteen million, three hundred sixteen thousand, three hundred five".

Divisors: 1 5 1237 2153 6185 10765 2663261 13316305