Base | Representation |
---|---|
bin | 1011110111100… |
… | …1100100010000 |
3 | 10110200010201001 |
4 | 2331321210100 |
5 | 100220443013 |
6 | 4534551344 |
7 | 1143063064 |
oct | 275714420 |
9 | 113603631 |
10 | 49781008 |
11 | 26111232 |
12 | 14808554 |
13 | a40c824 |
14 | 687baa4 |
15 | 4584ddd |
hex | 2f79910 |
49781008 has 10 divisors (see below), whose sum is σ = 96450734. Its totient is φ = 24890496.
The previous prime is 49781003. The next prime is 49781027. The reversal of 49781008 is 80018794.
49781008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 44249104 + 5531904 = 6652^2 + 2352^2 .
It is not an unprimeable number, because it can be changed into a prime (49781003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555641 + ... + 1555672.
Almost surely, 249781008 is an apocalyptic number.
It is an amenable number.
49781008 is a deficient number, since it is larger than the sum of its proper divisors (46669726).
49781008 is a wasteful number, since it uses less digits than its factorization.
49781008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3111321 (or 3111315 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 49781008 is about 7055.5657462744. The cubic root of 49781008 is about 367.8645137664.
The spelling of 49781008 in words is "forty-nine million, seven hundred eighty-one thousand, eight".
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