Base | Representation |
---|---|
bin | 11010101001001… |
… | …00101101100101 |
3 | 120120112211022221 |
4 | 31110210231211 |
5 | 424203401221 |
6 | 34102152341 |
7 | 5352456634 |
oct | 1524445545 |
9 | 516484287 |
10 | 223497061 |
11 | 105181717 |
12 | 62a226b1 |
13 | 373c33a8 |
14 | 2197b51b |
15 | 1494b541 |
hex | d524b65 |
223497061 has 2 divisors, whose sum is σ = 223497062. Its totient is φ = 223497060.
The previous prime is 223497047. The next prime is 223497077. The reversal of 223497061 is 160794322.
223497061 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., 127260961 + 96236100 = 11281^2 + 9810^2 .
It is a cyclic number.
It is not a de Polignac number, because 223497061 - 225 = 189942629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223497031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111748530 + 111748531.
It is an arithmetic number, because the mean of its divisors is an integer number (111748531).
Almost surely, 2223497061 is an apocalyptic number.
It is an amenable number.
223497061 is a deficient number, since it is larger than the sum of its proper divisors (1).
223497061 is an equidigital number, since it uses as much as digits as its factorization.
223497061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 223497061 is about 14949.8180925388. The cubic root of 223497061 is about 606.8629243002.
The spelling of 223497061 in words is "two hundred twenty-three million, four hundred ninety-seven thousand, sixty-one".
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