Base | Representation |
---|---|
bin | 1001000110111011… |
… | …1101001001001101 |
3 | 20022101201010212011 |
4 | 2101232331021031 |
5 | 20001410133024 |
6 | 1042340541221 |
7 | 114406126411 |
oct | 22156751115 |
9 | 6271633764 |
10 | 2445005389 |
11 | 1045161812 |
12 | 5829b1811 |
13 | 2cc715868 |
14 | 192a16d41 |
15 | e49b6094 |
hex | 91bbd24d |
2445005389 has 2 divisors, whose sum is σ = 2445005390. Its totient is φ = 2445005388.
The previous prime is 2445005359. The next prime is 2445005393. The reversal of 2445005389 is 9835005442.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1941900489 + 503104900 = 44067^2 + 22430^2 .
It is a cyclic number.
It is not a de Polignac number, because 2445005389 - 27 = 2445005261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2445005359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222502694 + 1222502695.
It is an arithmetic number, because the mean of its divisors is an integer number (1222502695).
Almost surely, 22445005389 is an apocalyptic number.
It is an amenable number.
2445005389 is a deficient number, since it is larger than the sum of its proper divisors (1).
2445005389 is an equidigital number, since it uses as much as digits as its factorization.
2445005389 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 172800, while the sum is 40.
The square root of 2445005389 is about 49446.9957530283. The cubic root of 2445005389 is about 1347.1830404290.
The spelling of 2445005389 in words is "two billion, four hundred forty-five million, five thousand, three hundred eighty-nine".
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