Base | Representation |
---|---|
bin | 110011111001… |
… | …100010100100 |
3 | 221121012120221 |
4 | 303321202210 |
5 | 11440330103 |
6 | 1203334124 |
7 | 223432543 |
oct | 63714244 |
9 | 27535527 |
10 | 13605028 |
11 | 7752728 |
12 | 4681344 |
13 | 2a84718 |
14 | 1b4215a |
15 | 12db1bd |
hex | cf98a4 |
13605028 has 24 divisors (see below), whose sum is σ = 24681888. Its totient is φ = 6557376.
The previous prime is 13605019. The next prime is 13605077. The reversal of 13605028 is 82050631.
It is a happy number.
13605028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 13604993 and 13605011.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13800 + ... + 14752.
It is an arithmetic number, because the mean of its divisors is an integer number (1028412).
Almost surely, 213605028 is an apocalyptic number.
It is an amenable number.
13605028 is a deficient number, since it is larger than the sum of its proper divisors (11076860).
13605028 is a wasteful number, since it uses less digits than its factorization.
13605028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 13605028 is about 3688.4994238850. The cubic root of 13605028 is about 238.7260506116.
Adding to 13605028 its reverse (82050631), we get a palindrome (95655659).
The spelling of 13605028 in words is "thirteen million, six hundred five thousand, twenty-eight".
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