Base | Representation |
---|---|
bin | 110100001100… |
… | …101100011111 |
3 | 221202012012211 |
4 | 310030230133 |
5 | 12000332422 |
6 | 1205141251 |
7 | 224210356 |
oct | 64145437 |
9 | 27665184 |
10 | 13683487 |
11 | 77a6674 |
12 | 46ba827 |
13 | 2ab134c |
14 | 1b6299d |
15 | 1304577 |
hex | d0cb1f |
13683487 has 8 divisors (see below), whose sum is σ = 14762736. Its totient is φ = 12634752.
The previous prime is 13683473. The next prime is 13683491. The reversal of 13683487 is 78438631.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13683487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13683407) 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, 6693 + ... + 8494.
It is an arithmetic number, because the mean of its divisors is an integer number (1845342).
Almost surely, 213683487 is an apocalyptic number.
13683487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
13683487 is a deficient number, since it is larger than the sum of its proper divisors (1079249).
13683487 is a wasteful number, since it uses less digits than its factorization.
13683487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15257.
The product of its digits is 96768, while the sum is 40.
The square root of 13683487 is about 3699.1197601592. The cubic root of 13683487 is about 239.1840753204.
The spelling of 13683487 in words is "thirteen million, six hundred eighty-three thousand, four hundred eighty-seven".
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