Base | Representation |
---|---|
bin | 1001010001110100… |
… | …0010111110101001 |
3 | 20102120120201222210 |
4 | 2110131002332221 |
5 | 20100101023340 |
6 | 1051051035333 |
7 | 115502052642 |
oct | 22435027651 |
9 | 6376521883 |
10 | 2490642345 |
11 | 10689a2504 |
12 | 59613bb49 |
13 | 309004089 |
14 | 198ad66c9 |
15 | e89cd180 |
hex | 94742fa9 |
2490642345 has 16 divisors (see below), whose sum is σ = 4077703872. Its totient is φ = 1297450560.
The previous prime is 2490642313. The next prime is 2490642359. The reversal of 2490642345 is 5432460942.
2490642345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2490642345 - 25 = 2490642313 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930086 + ... + 1931375.
It is an arithmetic number, because the mean of its divisors is an integer number (254856492).
Almost surely, 22490642345 is an apocalyptic number.
It is an amenable number.
2490642345 is a deficient number, since it is larger than the sum of its proper divisors (1587061527).
2490642345 is a wasteful number, since it uses less digits than its factorization.
2490642345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3861512.
The product of its (nonzero) digits is 207360, while the sum is 39.
The square root of 2490642345 is about 49906.3357200266. The cubic root of 2490642345 is about 1355.5133188550.
The spelling of 2490642345 in words is "two billion, four hundred ninety million, six hundred forty-two thousand, three hundred forty-five".
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