Base | Representation |
---|---|
bin | 110110101111… |
… | …1100110111110 |
3 | 2000000021100020 |
4 | 1231133212332 |
5 | 24322000131 |
6 | 2503113010 |
7 | 465654462 |
oct | 155374676 |
9 | 60007306 |
10 | 28703166 |
11 | 15225128 |
12 | 9742766 |
13 | 5c3c92b |
14 | 3b524a2 |
15 | 27be996 |
hex | 1b5f9be |
28703166 has 8 divisors (see below), whose sum is σ = 57406344. Its totient is φ = 9567720.
The previous prime is 28703141. The next prime is 28703177. The reversal of 28703166 is 66130782.
It is a sphenic number, since it is the product of 3 distinct primes.
28703166 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391925 + ... + 2391936.
It is an arithmetic number, because the mean of its divisors is an integer number (7175793).
Almost surely, 228703166 is an apocalyptic number.
28703166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28703166 is a wasteful number, since it uses less digits than its factorization.
28703166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4783866.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 28703166 is about 5357.5335743232. The cubic root of 28703166 is about 306.1798464327.
The spelling of 28703166 in words is "twenty-eight million, seven hundred three thousand, one hundred sixty-six".
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