Base | Representation |
---|---|
bin | 11011000111111… |
… | …10100100000101 |
3 | 120212010222111021 |
4 | 31203332210011 |
5 | 431222110414 |
6 | 34324511141 |
7 | 5432005444 |
oct | 1543764405 |
9 | 525128437 |
10 | 227535109 |
11 | 10748a54a |
12 | 6424b4b1 |
13 | 381a8379 |
14 | 2230cd5b |
15 | 14e97c24 |
hex | d8fe905 |
227535109 has 2 divisors, whose sum is σ = 227535110. Its totient is φ = 227535108.
The previous prime is 227535107. The next prime is 227535167. The reversal of 227535109 is 901535722.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 216178209 + 11356900 = 14703^2 + 3370^2 .
It is a cyclic number.
It is not a de Polignac number, because 227535109 - 21 = 227535107 is a prime.
Together with 227535107, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (227535107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113767554 + 113767555.
It is an arithmetic number, because the mean of its divisors is an integer number (113767555).
Almost surely, 2227535109 is an apocalyptic number.
It is an amenable number.
227535109 is a deficient number, since it is larger than the sum of its proper divisors (1).
227535109 is an equidigital number, since it uses as much as digits as its factorization.
227535109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18900, while the sum is 34.
The square root of 227535109 is about 15084.2669361159. The cubic root of 227535109 is about 610.4959766292.
The spelling of 227535109 in words is "two hundred twenty-seven million, five hundred thirty-five thousand, one hundred nine".
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