Base | Representation |
---|---|
bin | 110011010101… |
… | …010010010000 |
3 | 221022122212221 |
4 | 303111102100 |
5 | 11421102103 |
6 | 1200230424 |
7 | 222243601 |
oct | 63252220 |
9 | 27278787 |
10 | 13456528 |
11 | 76610a8 |
12 | 460b414 |
13 | 2a31c57 |
14 | 1b03da8 |
15 | 12ac1bd |
hex | cd5490 |
13456528 has 40 divisors (see below), whose sum is σ = 27170136. Its totient is φ = 6451200.
The previous prime is 13456507. The next prime is 13456529. The reversal of 13456528 is 82565431.
It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 12730624 = 852^2 + 3568^2 .
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 13456493 and 13456502.
It is not an unprimeable number, because it can be changed into a prime (13456529) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47748 + ... + 48028.
Almost surely, 213456528 is an apocalyptic number.
It is an amenable number.
13456528 is an abundant number, since it is smaller than the sum of its proper divisors (13713608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13456528 is a wasteful number, since it uses less digits than its factorization.
13456528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 397 counting only the distinct ones).
The product of its digits is 28800, while the sum is 34.
The square root of 13456528 is about 3668.3140541671. The cubic root of 13456528 is about 237.8542996368.
The spelling of 13456528 in words is "thirteen million, four hundred fifty-six thousand, five hundred twenty-eight".
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