Base | Representation |
---|---|
bin | 110011001001… |
… | …000001001110 |
3 | 221020002222010 |
4 | 303021001032 |
5 | 11413000121 |
6 | 1155202050 |
7 | 221644245 |
oct | 63110116 |
9 | 27202863 |
10 | 13406286 |
11 | 7627383 |
12 | 45a6326 |
13 | 2a1511a |
14 | 1acd95c |
15 | 129c376 |
hex | cc904e |
13406286 has 32 divisors (see below), whose sum is σ = 29456640. Its totient is φ = 4048704.
The previous prime is 13406279. The next prime is 13406287. The reversal of 13406286 is 68260431.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13406287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66 + ... + 5178.
It is an arithmetic number, because the mean of its divisors is an integer number (920520).
Almost surely, 213406286 is an apocalyptic number.
13406286 is an abundant number, since it is smaller than the sum of its proper divisors (16050354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13406286 is a wasteful number, since it uses less digits than its factorization.
13406286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5160.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 13406286 is about 3661.4595450448. The cubic root of 13406286 is about 237.5579086862.
It can be divided in two parts, 1340 and 6286, that added together give a triangular number (7626 = T123).
The spelling of 13406286 in words is "thirteen million, four hundred six thousand, two hundred eighty-six".
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