Base | Representation |
---|---|
bin | 100111001111… |
… | …011010001000 |
3 | 201100121201221 |
4 | 213033122020 |
5 | 10113133403 |
6 | 1004251424 |
7 | 153302314 |
oct | 47173210 |
9 | 21317657 |
10 | 10286728 |
11 | 5896631 |
12 | 3540b74 |
13 | 219222a |
14 | 151ab44 |
15 | d82dbd |
hex | 9cf688 |
10286728 has 8 divisors (see below), whose sum is σ = 19287630. Its totient is φ = 5143360.
The previous prime is 10286701. The next prime is 10286737. The reversal of 10286728 is 82768201.
10286728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 10125124 + 161604 = 3182^2 + 402^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 10286693 and 10286702.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642913 + ... + 642928.
Almost surely, 210286728 is an apocalyptic number.
It is an amenable number.
10286728 is a deficient number, since it is larger than the sum of its proper divisors (9000902).
10286728 is a wasteful number, since it uses less digits than its factorization.
10286728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1285847 (or 1285843 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 10286728 is about 3207.2929395364. The cubic root of 10286728 is about 217.4832188577.
The spelling of 10286728 in words is "ten million, two hundred eighty-six thousand, seven hundred twenty-eight".
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