Base | Representation |
---|---|
bin | 1011110111100… |
… | …1010111111111 |
3 | 10110200002121222 |
4 | 2331321113333 |
5 | 100220431343 |
6 | 4534543555 |
7 | 1143060563 |
oct | 275712777 |
9 | 113602558 |
10 | 49780223 |
11 | 26110689 |
12 | 14807bbb |
13 | a40c36c |
14 | 687b6a3 |
15 | 4584a68 |
hex | 2f795ff |
49780223 has 2 divisors, whose sum is σ = 49780224. Its totient is φ = 49780222.
The previous prime is 49780219. The next prime is 49780243. The reversal of 49780223 is 32208794.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49780223 - 22 = 49780219 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49780243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24890111 + 24890112.
It is an arithmetic number, because the mean of its divisors is an integer number (24890112).
Almost surely, 249780223 is an apocalyptic number.
49780223 is a deficient number, since it is larger than the sum of its proper divisors (1).
49780223 is an equidigital number, since it uses as much as digits as its factorization.
49780223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 49780223 is about 7055.5101162141. The cubic root of 49780223 is about 367.8625801296.
The spelling of 49780223 in words is "forty-nine million, seven hundred eighty thousand, two hundred twenty-three".
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