Base | Representation |
---|---|
bin | 110010110010… |
… | …110100100001 |
3 | 221001111020112 |
4 | 302302310201 |
5 | 11402042421 |
6 | 1153221105 |
7 | 221115203 |
oct | 62626441 |
9 | 27044215 |
10 | 13315361 |
11 | 7575034 |
12 | 4561795 |
13 | 29b2917 |
14 | 1aa8773 |
15 | 128045b |
hex | cb2d21 |
13315361 has 2 divisors, whose sum is σ = 13315362. Its totient is φ = 13315360.
The previous prime is 13315343. The next prime is 13315373. The reversal of 13315361 is 16351331.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12737761 + 577600 = 3569^2 + 760^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13315361 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13315661) by changing a digit.
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 as a sum of consecutive naturals, namely, 6657680 + 6657681.
It is an arithmetic number, because the mean of its divisors is an integer number (6657681).
Almost surely, 213315361 is an apocalyptic number.
It is an amenable number.
13315361 is a deficient number, since it is larger than the sum of its proper divisors (1).
13315361 is an equidigital number, since it uses as much as digits as its factorization.
13315361 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 810, while the sum is 23.
The square root of 13315361 is about 3649.0219237489. The cubic root of 13315361 is about 237.0196296061.
Adding to 13315361 its reverse (16351331), we get a palindrome (29666692).
The spelling of 13315361 in words is "thirteen million, three hundred fifteen thousand, three hundred sixty-one".
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