Base | Representation |
---|---|
bin | 110011101101… |
… | …1111010000100 |
3 | 1220000120222110 |
4 | 1213123322010 |
5 | 23420141030 |
6 | 2405101020 |
7 | 446321613 |
oct | 147337204 |
9 | 56016873 |
10 | 27115140 |
11 | 14340008 |
12 | 90b7770 |
13 | 5804b80 |
14 | 385b87a |
15 | 25a91b0 |
hex | 19dbe84 |
27115140 has 48 divisors (see below), whose sum is σ = 81764928. Its totient is φ = 6674304.
The previous prime is 27115129. The next prime is 27115159. The reversal of 27115140 is 4151172.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16602 + ... + 18161.
It is an arithmetic number, because the mean of its divisors is an integer number (1703436).
Almost surely, 227115140 is an apocalyptic number.
27115140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27115140 is an abundant number, since it is smaller than the sum of its proper divisors (54649788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27115140 is a wasteful number, since it uses less digits than its factorization.
27115140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34788 (or 34786 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 21.
The square root of 27115140 is about 5207.2199876710. The cubic root of 27115140 is about 300.4258396936.
The spelling of 27115140 in words is "twenty-seven million, one hundred fifteen thousand, one hundred forty".
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