Base | Representation |
---|---|
bin | 11010010011010… |
… | …10001010010101 |
3 | 120101011110102012 |
4 | 31021222022111 |
5 | 422440321142 |
6 | 33520554005 |
7 | 5316242024 |
oct | 1511521225 |
9 | 511143365 |
10 | 220635797 |
11 | 1035a7a38 |
12 | 61a82905 |
13 | 36930c35 |
14 | 214348bb |
15 | 14583882 |
hex | d26a295 |
220635797 has 2 divisors, whose sum is σ = 220635798. Its totient is φ = 220635796.
The previous prime is 220635791. The next prime is 220635817. The reversal of 220635797 is 797536022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 183169156 + 37466641 = 13534^2 + 6121^2 .
It is a cyclic number.
It is not a de Polignac number, because 220635797 - 222 = 216441493 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 (220635791) 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, 110317898 + 110317899.
It is an arithmetic number, because the mean of its divisors is an integer number (110317899).
Almost surely, 2220635797 is an apocalyptic number.
It is an amenable number.
220635797 is a deficient number, since it is larger than the sum of its proper divisors (1).
220635797 is an equidigital number, since it uses as much as digits as its factorization.
220635797 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 158760, while the sum is 41.
The square root of 220635797 is about 14853.8142239628. The cubic root of 220635797 is about 604.2620577170.
The spelling of 220635797 in words is "two hundred twenty million, six hundred thirty-five thousand, seven hundred ninety-seven".
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