Base | Representation |
---|---|
bin | 11011000100111… |
… | …10111010000001 |
3 | 120211102002000201 |
4 | 31202132322001 |
5 | 431122041142 |
6 | 34312245201 |
7 | 5425454233 |
oct | 1542367201 |
9 | 524362021 |
10 | 227143297 |
11 | 107242137 |
12 | 640a0801 |
13 | 3809bc24 |
14 | 2224a253 |
15 | 14e1bab7 |
hex | d89ee81 |
227143297 has 2 divisors, whose sum is σ = 227143298. Its totient is φ = 227143296.
The previous prime is 227143289. The next prime is 227143337. The reversal of 227143297 is 792341722.
227143297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 211964481 + 15178816 = 14559^2 + 3896^2 .
It is a cyclic number.
It is not a de Polignac number, because 227143297 - 23 = 227143289 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (227143207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113571648 + 113571649.
It is an arithmetic number, because the mean of its divisors is an integer number (113571649).
Almost surely, 2227143297 is an apocalyptic number.
It is an amenable number.
227143297 is a deficient number, since it is larger than the sum of its proper divisors (1).
227143297 is an equidigital number, since it uses as much as digits as its factorization.
227143297 is an evil number, because the sum of its binary digits is even.
The product of its digits is 42336, while the sum is 37.
The square root of 227143297 is about 15071.2739010344. The cubic root of 227143297 is about 610.1453536981.
The spelling of 227143297 in words is "two hundred twenty-seven million, one hundred forty-three thousand, two hundred ninety-seven".
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