Base | Representation |
---|---|
bin | 1001010001001111… |
… | …1100101110000001 |
3 | 20102102002120110211 |
4 | 2110103330232001 |
5 | 20043443214114 |
6 | 1050523554121 |
7 | 115442560531 |
oct | 22423745601 |
9 | 6372076424 |
10 | 2488257409 |
11 | 1067613690 |
12 | 59538b941 |
13 | 30867a681 |
14 | 1986754c1 |
15 | e86ab6c4 |
hex | 944fcb81 |
2488257409 has 32 divisors (see below), whose sum is σ = 2866544640. Its totient is φ = 2139883200.
The previous prime is 2488257383. The next prime is 2488257413. The reversal of 2488257409 is 9047528842.
It is not a de Polignac number, because 2488257409 - 217 = 2488126337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2488257419) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1944832 + ... + 1946110.
It is an arithmetic number, because the mean of its divisors is an integer number (89579520).
Almost surely, 22488257409 is an apocalyptic number.
It is an amenable number.
2488257409 is a deficient number, since it is larger than the sum of its proper divisors (378287231).
2488257409 is a wasteful number, since it uses less digits than its factorization.
2488257409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1461.
The product of its (nonzero) digits is 1290240, while the sum is 49.
The square root of 2488257409 is about 49882.4358767693. The cubic root of 2488257409 is about 1355.0805195362.
The spelling of 2488257409 in words is "two billion, four hundred eighty-eight million, two hundred fifty-seven thousand, four hundred nine".
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