Base | Representation |
---|---|
bin | 110101100010… |
… | …0101100011000 |
3 | 1221211000220222 |
4 | 1223010230120 |
5 | 24141144012 |
6 | 2441335212 |
7 | 460402514 |
oct | 153045430 |
9 | 57730828 |
10 | 28068632 |
11 | 14931419 |
12 | 9497508 |
13 | 5a79b77 |
14 | 3a29144 |
15 | 26e6972 |
hex | 1ac4b18 |
28068632 has 32 divisors (see below), whose sum is σ = 56084400. Its totient is φ = 13123584.
The previous prime is 28068629. The next prime is 28068679. The reversal of 28068632 is 23686082.
It is a junction number, because it is equal to n+sod(n) for n = 28068592 and 28068601.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23768 + ... + 24920.
Almost surely, 228068632 is an apocalyptic number.
It is an amenable number.
28068632 is a deficient number, since it is larger than the sum of its proper divisors (28015768).
28068632 is a wasteful number, since it uses less digits than its factorization.
28068632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1355 (or 1351 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 28068632 is about 5297.9837674346. The cubic root of 28068632 is about 303.9067985295.
The spelling of 28068632 in words is "twenty-eight million, sixty-eight thousand, six hundred thirty-two".
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