Base | Representation |
---|---|
bin | 110010101111… |
… | …000100111100 |
3 | 221000201012122 |
4 | 302233010330 |
5 | 11401100103 |
6 | 1153022112 |
7 | 221022410 |
oct | 62570474 |
9 | 27021178 |
10 | 13300028 |
11 | 7564565 |
12 | 4554938 |
13 | 29a8951 |
14 | 1aa2d40 |
15 | 127ab38 |
hex | caf13c |
13300028 has 24 divisors (see below), whose sum is σ = 26685792. Its totient is φ = 5681664.
The previous prime is 13299991. The next prime is 13300039. The reversal of 13300028 is 82000331.
It is a junction number, because it is equal to n+sod(n) for n = 13299979 and 13300015.
It is a congruent number.
It is an unprimeable number.
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, 11576 + ... + 12672.
It is an arithmetic number, because the mean of its divisors is an integer number (1111908).
Almost surely, 213300028 is an apocalyptic number.
It is an amenable number.
13300028 is an abundant number, since it is smaller than the sum of its proper divisors (13385764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13300028 is a wasteful number, since it uses less digits than its factorization.
13300028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 13300028 is about 3646.9203446196. The cubic root of 13300028 is about 236.9286164811.
Adding to 13300028 its reverse (82000331), we get a palindrome (95300359).
The spelling of 13300028 in words is "thirteen million, three hundred thousand, twenty-eight".
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