Base | Representation |
---|---|
bin | 11100011001100… |
… | …01000011111001 |
3 | 121121021012222100 |
4 | 32030301003321 |
5 | 441441241310 |
6 | 35350014013 |
7 | 5621621262 |
oct | 1614610371 |
9 | 547235870 |
10 | 238227705 |
11 | 112523001 |
12 | 67947309 |
13 | 3a480251 |
14 | 238d3969 |
15 | 15daaec0 |
hex | e3310f9 |
238227705 has 24 divisors (see below), whose sum is σ = 413604360. Its totient is φ = 126846720.
The previous prime is 238227683. The next prime is 238227707. The reversal of 238227705 is 507722832.
It is a happy number.
238227705 is a `hidden beast` number, since 2 + 382 + 277 + 0 + 5 = 666.
238227705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 65804544 + 172423161 = 8112^2 + 13131^2 .
It is not a de Polignac number, because 238227705 - 25 = 238227673 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 238227705.
It is not an unprimeable number, because it can be changed into a prime (238227707) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25741 + ... + 33749.
It is an arithmetic number, because the mean of its divisors is an integer number (17233515).
Almost surely, 2238227705 is an apocalyptic number.
It is an amenable number.
238227705 is a deficient number, since it is larger than the sum of its proper divisors (175376655).
238227705 is a wasteful number, since it uses less digits than its factorization.
238227705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8681 (or 8678 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 238227705 is about 15434.6268176461. The cubic root of 238227705 is about 619.9130167601.
The spelling of 238227705 in words is "two hundred thirty-eight million, two hundred twenty-seven thousand, seven hundred five".
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