Base | Representation |
---|---|
bin | 110011101001… |
… | …1110000001100 |
3 | 1212221220011102 |
4 | 1213103300030 |
5 | 23413103430 |
6 | 2404242232 |
7 | 446122340 |
oct | 147236014 |
9 | 55856142 |
10 | 27081740 |
11 | 14317a04 |
12 | 90a0378 |
13 | 57c28ca |
14 | 384d620 |
15 | 259e345 |
hex | 19d3c0c |
27081740 has 24 divisors (see below), whose sum is σ = 64996512. Its totient is φ = 9285120.
The previous prime is 27081739. The next prime is 27081751. The reversal of 27081740 is 4718072.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96581 + ... + 96860.
It is an arithmetic number, because the mean of its divisors is an integer number (2708188).
Almost surely, 227081740 is an apocalyptic number.
27081740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27081740 is an abundant number, since it is smaller than the sum of its proper divisors (37914772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27081740 is a wasteful number, since it uses less digits than its factorization.
27081740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193457 (or 193455 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 27081740 is about 5204.0119138987. The cubic root of 27081740 is about 300.3024357470.
The spelling of 27081740 in words is "twenty-seven million, eighty-one thousand, seven hundred forty".
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