Base | Representation |
---|---|
bin | 101101110110… |
… | …110001011100 |
3 | 211121201110212 |
4 | 231312301130 |
5 | 11034131303 |
6 | 1105351552 |
7 | 204114101 |
oct | 55666134 |
9 | 24551425 |
10 | 12020828 |
11 | 6870476 |
12 | 40385b8 |
13 | 264b621 |
14 | 184caa8 |
15 | 10c6ad8 |
hex | b76c5c |
12020828 has 6 divisors (see below), whose sum is σ = 21036456. Its totient is φ = 6010412.
The previous prime is 12020759. The next prime is 12020851. The reversal of 12020828 is 82802021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502600 + ... + 1502607.
It is an arithmetic number, because the mean of its divisors is an integer number (3506076).
Almost surely, 212020828 is an apocalyptic number.
It is an amenable number.
12020828 is a deficient number, since it is larger than the sum of its proper divisors (9015628).
12020828 is a wasteful number, since it uses less digits than its factorization.
12020828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3005211 (or 3005209 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 12020828 is about 3467.1065746527. The cubic root of 12020828 is about 229.0752281081.
Adding to 12020828 its reverse (82802021), we get a palindrome (94822849).
The spelling of 12020828 in words is "twelve million, twenty thousand, eight hundred twenty-eight".
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