Base | Representation |
---|---|
bin | 111100110100001… |
… | …101101001010101 |
3 | 2122002220122101021 |
4 | 330310031221111 |
5 | 4042200222331 |
6 | 245125001141 |
7 | 34166402605 |
oct | 7464155125 |
9 | 2562818337 |
10 | 1020320341 |
11 | 483a42857 |
12 | 2458531b1 |
13 | 133503361 |
14 | 9971ac05 |
15 | 5e897211 |
hex | 3cd0da55 |
1020320341 has 2 divisors, whose sum is σ = 1020320342. Its totient is φ = 1020320340.
The previous prime is 1020320317. The next prime is 1020320351. The reversal of 1020320341 is 1430230201.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 641862225 + 378458116 = 25335^2 + 19454^2 .
It is an emirp because it is prime and its reverse (1430230201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1020320341 - 25 = 1020320309 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020320351) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510160170 + 510160171.
It is an arithmetic number, because the mean of its divisors is an integer number (510160171).
Almost surely, 21020320341 is an apocalyptic number.
It is an amenable number.
1020320341 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020320341 is an equidigital number, since it uses as much as digits as its factorization.
1020320341 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1020320341 is about 31942.4535845323. The cubic root of 1020320341 is about 1006.7280784404.
Adding to 1020320341 its reverse (1430230201), we get a palindrome (2450550542).
The spelling of 1020320341 in words is "one billion, twenty million, three hundred twenty thousand, three hundred forty-one".
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