Base | Representation |
---|---|
bin | 110011000101… |
… | …000111100111 |
3 | 221012022001110 |
4 | 303011013213 |
5 | 11411442221 |
6 | 1155000103 |
7 | 221546544 |
oct | 63050747 |
9 | 27168043 |
10 | 13390311 |
11 | 7616380 |
12 | 4599033 |
13 | 2a0aa7c |
14 | 1ac7bcb |
15 | 1297776 |
hex | cc51e7 |
13390311 has 8 divisors (see below), whose sum is σ = 19476864. Its totient is φ = 8115320.
The previous prime is 13390303. The next prime is 13390331. The reversal of 13390311 is 11309331.
13390311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 13390311 - 23 = 13390303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13390331) 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 7 ways as a sum of consecutive naturals, for example, 202851 + ... + 202916.
It is an arithmetic number, because the mean of its divisors is an integer number (2434608).
Almost surely, 213390311 is an apocalyptic number.
13390311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13390311 is a deficient number, since it is larger than the sum of its proper divisors (6086553).
13390311 is a wasteful number, since it uses less digits than its factorization.
13390311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405781.
The product of its (nonzero) digits is 243, while the sum is 21.
The square root of 13390311 is about 3659.2773876819. The cubic root of 13390311 is about 237.4635127696.
Adding to 13390311 its reverse (11309331), we get a palindrome (24699642).
The spelling of 13390311 in words is "thirteen million, three hundred ninety thousand, three hundred eleven".
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