Base | Representation |
---|---|
bin | 1000111101001101… |
… | …1000000111001101 |
3 | 20012112222002201122 |
4 | 2033103120013031 |
5 | 14410440041024 |
6 | 1034322450325 |
7 | 113402354543 |
oct | 21723300715 |
9 | 6175862648 |
10 | 2404221389 |
11 | 1024136129 |
12 | 5712039a5 |
13 | 2c413620b |
14 | 18b43bd93 |
15 | e110bd5e |
hex | 8f4d81cd |
2404221389 has 2 divisors, whose sum is σ = 2404221390. Its totient is φ = 2404221388.
The previous prime is 2404221361. The next prime is 2404221419. The reversal of 2404221389 is 9831224042.
2404221389 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., 1516479364 + 887742025 = 38942^2 + 29795^2 .
It is a cyclic number.
It is not a de Polignac number, because 2404221389 - 224 = 2387444173 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2404221319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202110694 + 1202110695.
It is an arithmetic number, because the mean of its divisors is an integer number (1202110695).
Almost surely, 22404221389 is an apocalyptic number.
It is an amenable number.
2404221389 is a deficient number, since it is larger than the sum of its proper divisors (1).
2404221389 is an equidigital number, since it uses as much as digits as its factorization.
2404221389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 2404221389 is about 49032.8602979675. The cubic root of 2404221389 is about 1339.6504228451.
The spelling of 2404221389 in words is "two billion, four hundred four million, two hundred twenty-one thousand, three hundred eighty-nine".
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