Base | Representation |
---|---|
bin | 11011001001110… |
… | …00011010011001 |
3 | 120212121000112010 |
4 | 31210320122121 |
5 | 431302201212 |
6 | 34333540133 |
7 | 5434013322 |
oct | 1544703231 |
9 | 525530463 |
10 | 227772057 |
11 | 107631577 |
12 | 64344649 |
13 | 3825c186 |
14 | 22371449 |
15 | 14ee303c |
hex | d938699 |
227772057 has 12 divisors (see below), whose sum is σ = 319840080. Its totient is φ = 143784072.
The previous prime is 227772049. The next prime is 227772067. The reversal of 227772057 is 750277722.
227772057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 227772057 - 23 = 227772049 is a prime.
It is a super-2 number, since 2×2277720572 = 103760219900022498, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (227772067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112944 + ... + 114942.
It is an arithmetic number, because the mean of its divisors is an integer number (26653340).
Almost surely, 2227772057 is an apocalyptic number.
It is an amenable number.
227772057 is a deficient number, since it is larger than the sum of its proper divisors (92068023).
227772057 is an frugal number, since it uses more digits than its factorization.
227772057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4020 (or 2021 counting only the distinct ones).
The product of its (nonzero) digits is 96040, while the sum is 39.
The square root of 227772057 is about 15092.1190361062. The cubic root of 227772057 is about 610.7078202973.
The spelling of 227772057 in words is "two hundred twenty-seven million, seven hundred seventy-two thousand, fifty-seven".
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