Base | Representation |
---|---|
bin | 110010101000… |
… | …000100001010 |
3 | 220222020210212 |
4 | 302220010022 |
5 | 11344140211 |
6 | 1152241122 |
7 | 220542566 |
oct | 62500412 |
9 | 26866725 |
10 | 13271306 |
11 | 7544a24 |
12 | 45401a2 |
13 | 2998859 |
14 | 1a966a6 |
15 | 127238b |
hex | ca810a |
13271306 has 8 divisors (see below), whose sum is σ = 20282724. Its totient is φ = 6510400.
The previous prime is 13271287. The next prime is 13271309. The reversal of 13271306 is 60317231.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 13213225 + 58081 = 3635^2 + 241^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×132713062 = 352255125891272, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13271309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62495 + ... + 62706.
Almost surely, 213271306 is an apocalyptic number.
13271306 is a deficient number, since it is larger than the sum of its proper divisors (7011418).
13271306 is a wasteful number, since it uses less digits than its factorization.
13271306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125256.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 13271306 is about 3642.9803732658. The cubic root of 13271306 is about 236.7579409452.
Adding to 13271306 its reverse (60317231), we get a palindrome (73588537).
The spelling of 13271306 in words is "thirteen million, two hundred seventy-one thousand, three hundred six".
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