Base | Representation |
---|---|
bin | 100110010000… |
… | …1101010011110 |
3 | 1101202012021201 |
4 | 1030201222132 |
5 | 20113421310 |
6 | 1553550114 |
7 | 332341246 |
oct | 114415236 |
9 | 41665251 |
10 | 20060830 |
11 | 10361aa9 |
12 | 687533a |
13 | 420501a |
14 | 2942b26 |
15 | 1b63e3a |
hex | 1321a9e |
20060830 has 16 divisors (see below), whose sum is σ = 37679904. Its totient is φ = 7675360.
The previous prime is 20060809. The next prime is 20060863. The reversal of 20060830 is 3806002.
It is a junction number, because it is equal to n+sod(n) for n = 20060798 and 20060807.
It is a congruent number.
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, 43381 + ... + 43840.
It is an arithmetic number, because the mean of its divisors is an integer number (2354994).
Almost surely, 220060830 is an apocalyptic number.
20060830 is a deficient number, since it is larger than the sum of its proper divisors (17619074).
20060830 is a wasteful number, since it uses less digits than its factorization.
20060830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87251.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 20060830 is about 4478.9317922916. The cubic root of 20060830 is about 271.7166798324.
Adding to 20060830 its reverse (3806002), we get a palindrome (23866832).
The spelling of 20060830 in words is "twenty million, sixty thousand, eight hundred thirty".
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