Base | Representation |
---|---|
bin | 101011011010011… |
… | …001110001000000 |
3 | 1212202111120210122 |
4 | 223122121301000 |
5 | 2442423412233 |
6 | 200134515412 |
7 | 24022541543 |
oct | 5332316100 |
9 | 1782446718 |
10 | 728341568 |
11 | 344147889 |
12 | 183b05b68 |
13 | b7b83556 |
14 | 6ca3485a |
15 | 43e1ed98 |
hex | 2b699c40 |
728341568 has 28 divisors (see below), whose sum is σ = 1478920080. Its totient is φ = 355700352.
The previous prime is 728341561. The next prime is 728341577. The reversal of 728341568 is 865143827.
It is not an unprimeable number, because it can be changed into a prime (728341561) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 129578 + ... + 135081.
Almost surely, 2728341568 is an apocalyptic number.
It is an amenable number.
728341568 is an abundant number, since it is smaller than the sum of its proper divisors (750578512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728341568 is a wasteful number, since it uses less digits than its factorization.
728341568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264714 (or 264704 counting only the distinct ones).
The product of its digits is 322560, while the sum is 44.
The square root of 728341568 is about 26987.8040603529. The cubic root of 728341568 is about 899.7289587114.
The spelling of 728341568 in words is "seven hundred twenty-eight million, three hundred forty-one thousand, five hundred sixty-eight".
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