Base | Representation |
---|---|
bin | 1011110010111… |
… | …0010101010001 |
3 | 10110002110222202 |
4 | 2330232111101 |
5 | 100131112344 |
6 | 4524212545 |
7 | 1140340466 |
oct | 274562521 |
9 | 113073882 |
10 | 49472849 |
11 | 25a20758 |
12 | 1469a155 |
13 | a33249a |
14 | 67db66d |
15 | 452394e |
hex | 2f2e551 |
49472849 has 2 divisors, whose sum is σ = 49472850. Its totient is φ = 49472848.
The previous prime is 49472791. The next prime is 49472851. The reversal of 49472849 is 94827494.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45697600 + 3775249 = 6760^2 + 1943^2 .
It is a cyclic number.
It is not a de Polignac number, because 49472849 - 220 = 48424273 is a prime.
It is a Sophie Germain prime.
Together with 49472851, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (49472879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24736424 + 24736425.
It is an arithmetic number, because the mean of its divisors is an integer number (24736425).
Almost surely, 249472849 is an apocalyptic number.
It is an amenable number.
49472849 is a deficient number, since it is larger than the sum of its proper divisors (1).
49472849 is an equidigital number, since it uses as much as digits as its factorization.
49472849 is an evil number, because the sum of its binary digits is even.
The product of its digits is 580608, while the sum is 47.
The square root of 49472849 is about 7033.6938375224. The cubic root of 49472849 is about 367.1038791045.
The spelling of 49472849 in words is "forty-nine million, four hundred seventy-two thousand, eight hundred forty-nine".
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