Base | Representation |
---|---|
bin | 1001010001010110… |
… | …1101110001010101 |
3 | 20102102222002200012 |
4 | 2110111231301111 |
5 | 20044103023334 |
6 | 1050541530005 |
7 | 115446526544 |
oct | 22425556125 |
9 | 6372862605 |
10 | 2488720469 |
11 | 10678aa584 |
12 | 595573905 |
13 | 3087b0381 |
14 | 19875615b |
15 | e874d9ce |
hex | 9456dc55 |
2488720469 has 2 divisors, whose sum is σ = 2488720470. Its totient is φ = 2488720468.
The previous prime is 2488720447. The next prime is 2488720501. The reversal of 2488720469 is 9640278842.
2488720469 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., 2140450225 + 348270244 = 46265^2 + 18662^2 .
It is a cyclic number.
It is not a de Polignac number, because 2488720469 - 216 = 2488654933 is a prime.
It is a super-2 number, since 2×24887204692 = 12387459145639159922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2488720769) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244360234 + 1244360235.
It is an arithmetic number, because the mean of its divisors is an integer number (1244360235).
Almost surely, 22488720469 is an apocalyptic number.
It is an amenable number.
2488720469 is a deficient number, since it is larger than the sum of its proper divisors (1).
2488720469 is an equidigital number, since it uses as much as digits as its factorization.
2488720469 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1548288, while the sum is 50.
The square root of 2488720469 is about 49887.0771743545. The cubic root of 2488720469 is about 1355.1645736300.
The spelling of 2488720469 in words is "two billion, four hundred eighty-eight million, seven hundred twenty thousand, four hundred sixty-nine".
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