Base | Representation |
---|---|
bin | 1000010101110011… |
… | …1000100100101111 |
3 | 12210000222000022210 |
4 | 2011130320210233 |
5 | 14041132111422 |
6 | 1010100141503 |
7 | 106324455126 |
oct | 20534704457 |
9 | 5700860283 |
10 | 2238941487 |
11 | a49907972 |
12 | 525997893 |
13 | 298b17463 |
14 | 1734d6abd |
15 | d186010c |
hex | 8573892f |
2238941487 has 32 divisors (see below), whose sum is σ = 3093914880. Its totient is φ = 1439493120.
The previous prime is 2238941459. The next prime is 2238941561. The reversal of 2238941487 is 7841498322.
2238941487 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2238941487 - 28 = 2238941231 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2238941087) 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, 2760312 + ... + 2761122.
It is an arithmetic number, because the mean of its divisors is an integer number (96684840).
Almost surely, 22238941487 is an apocalyptic number.
2238941487 is a deficient number, since it is larger than the sum of its proper divisors (854973393).
2238941487 is a wasteful number, since it uses less digits than its factorization.
2238941487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1143.
The product of its digits is 774144, while the sum is 48.
The square root of 2238941487 is about 47317.4543588304. The cubic root of 2238941487 is about 1308.2203924235.
The spelling of 2238941487 in words is "two billion, two hundred thirty-eight million, nine hundred forty-one thousand, four hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •