Base | Representation |
---|---|
bin | 110101100001… |
… | …0100101111110 |
3 | 1221210121010101 |
4 | 1223002211332 |
5 | 24140410110 |
6 | 2441231314 |
7 | 460335445 |
oct | 153024576 |
9 | 57717111 |
10 | 28060030 |
11 | 14925a09 |
12 | 949253a |
13 | 5a75c8b |
14 | 3a25d5c |
15 | 26e413a |
hex | 1ac297e |
28060030 has 16 divisors (see below), whose sum is σ = 53479440. Its totient is φ = 10563712.
The previous prime is 28060007. The next prime is 28060033. The reversal of 28060030 is 3006082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28060033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82360 + ... + 82699.
It is an arithmetic number, because the mean of its divisors is an integer number (3342465).
Almost surely, 228060030 is an apocalyptic number.
28060030 is a deficient number, since it is larger than the sum of its proper divisors (25419410).
28060030 is a wasteful number, since it uses less digits than its factorization.
28060030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165083.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 28060030 is about 5297.1718869601. The cubic root of 28060030 is about 303.8757499509.
The spelling of 28060030 in words is "twenty-eight million, sixty thousand, thirty".
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