Base | Representation |
---|---|
bin | 110101110101… |
… | …1010111110100 |
3 | 1222010002020200 |
4 | 1223223113310 |
5 | 24211231220 |
6 | 2445000500 |
7 | 461632431 |
oct | 153532764 |
9 | 58102220 |
10 | 28227060 |
11 | 14a2a454 |
12 | 9553130 |
13 | 5b04004 |
14 | 3a6ab88 |
15 | 2728890 |
hex | 1aeb5f4 |
28227060 has 36 divisors (see below), whose sum is σ = 85622628. Its totient is φ = 7527168.
The previous prime is 28227053. The next prime is 28227077. The reversal of 28227060 is 6072282.
It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 5702544 = 4746^2 + 2388^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78229 + ... + 78588.
Almost surely, 228227060 is an apocalyptic number.
28227060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28227060 is an abundant number, since it is smaller than the sum of its proper divisors (57395568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28227060 is a wasteful number, since it uses less digits than its factorization.
28227060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156832 (or 156827 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 28227060 is about 5312.9144544214. The cubic root of 28227060 is about 304.4775072970.
The spelling of 28227060 in words is "twenty-eight million, two hundred twenty-seven thousand, sixty".
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