Base | Representation |
---|---|
bin | 11011000111010… |
… | …11101111011101 |
3 | 120212000001201212 |
4 | 31203223233131 |
5 | 431212124023 |
6 | 34323114205 |
7 | 5431234616 |
oct | 1543535735 |
9 | 525001655 |
10 | 227458013 |
11 | 107437632 |
12 | 64212965 |
13 | 3817c253 |
14 | 222ccc0d |
15 | 14e7ee78 |
hex | d8ebbdd |
227458013 has 2 divisors, whose sum is σ = 227458014. Its totient is φ = 227458012.
The previous prime is 227458009. The next prime is 227458019. The reversal of 227458013 is 310854722.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 225390169 + 2067844 = 15013^2 + 1438^2 .
It is a cyclic number.
It is not a de Polignac number, because 227458013 - 22 = 227458009 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (227458019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113729006 + 113729007.
It is an arithmetic number, because the mean of its divisors is an integer number (113729007).
Almost surely, 2227458013 is an apocalyptic number.
It is an amenable number.
227458013 is a deficient number, since it is larger than the sum of its proper divisors (1).
227458013 is an equidigital number, since it uses as much as digits as its factorization.
227458013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 227458013 is about 15081.7112092760. The cubic root of 227458013 is about 610.4270171399.
The spelling of 227458013 in words is "two hundred twenty-seven million, four hundred fifty-eight thousand, thirteen".
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