Base | Representation |
---|---|
bin | 101010100101110… |
… | …000110010001101 |
3 | 1211210112111122201 |
4 | 222211300302031 |
5 | 2430410322341 |
6 | 154523041501 |
7 | 23464336321 |
oct | 5245606215 |
9 | 1753474581 |
10 | 714542221 |
11 | 337382168 |
12 | 17b370291 |
13 | b5061563 |
14 | 6ac81981 |
15 | 42ae6331 |
hex | 2a970c8d |
714542221 has 2 divisors, whose sum is σ = 714542222. Its totient is φ = 714542220.
The previous prime is 714542159. The next prime is 714542233. The reversal of 714542221 is 122245417.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 528356196 + 186186025 = 22986^2 + 13645^2 .
It is a cyclic number.
It is not a de Polignac number, because 714542221 - 217 = 714411149 is a prime.
It is a super-2 number, since 2×7145422212 = 1021141171183225682, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 714542221.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (714542021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357271110 + 357271111.
It is an arithmetic number, because the mean of its divisors is an integer number (357271111).
Almost surely, 2714542221 is an apocalyptic number.
It is an amenable number.
714542221 is a deficient number, since it is larger than the sum of its proper divisors (1).
714542221 is an equidigital number, since it uses as much as digits as its factorization.
714542221 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4480, while the sum is 28.
The square root of 714542221 is about 26730.9225617074. The cubic root of 714542221 is about 894.0105253446.
Adding to 714542221 its reverse (122245417), we get a palindrome (836787638).
The spelling of 714542221 in words is "seven hundred fourteen million, five hundred forty-two thousand, two hundred twenty-one".
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