Base | Representation |
---|---|
bin | 11011000111100… |
… | …00110000001101 |
3 | 120212001002220011 |
4 | 31203300300031 |
5 | 431213303131 |
6 | 34323353221 |
7 | 5431351513 |
oct | 1543606015 |
9 | 525032804 |
10 | 227478541 |
11 | 107450aa4 |
12 | 64222811 |
13 | 381886b4 |
14 | 222d64b3 |
15 | 14e860b1 |
hex | d8f0c0d |
227478541 has 2 divisors, whose sum is σ = 227478542. Its totient is φ = 227478540.
The previous prime is 227478521. The next prime is 227478551. The reversal of 227478541 is 145874722.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 226622916 + 855625 = 15054^2 + 925^2 .
It is a cyclic number.
It is not a de Polignac number, because 227478541 - 27 = 227478413 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 227478494 and 227478503.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (227478521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113739270 + 113739271.
It is an arithmetic number, because the mean of its divisors is an integer number (113739271).
Almost surely, 2227478541 is an apocalyptic number.
It is an amenable number.
227478541 is a deficient number, since it is larger than the sum of its proper divisors (1).
227478541 is an equidigital number, since it uses as much as digits as its factorization.
227478541 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 125440, while the sum is 40.
The square root of 227478541 is about 15082.3917532996. The cubic root of 227478541 is about 610.4453801903.
The spelling of 227478541 in words is "two hundred twenty-seven million, four hundred seventy-eight thousand, five hundred forty-one".
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