Base | Representation |
---|---|
bin | 1011111110100… |
… | …1110110001101 |
3 | 10111112111120102 |
4 | 2333221312031 |
5 | 100330202114 |
6 | 4552500445 |
7 | 1150016645 |
oct | 277516615 |
9 | 114474512 |
10 | 50240909 |
11 | 263a5814 |
12 | 149aa725 |
13 | a540c64 |
14 | 695b525 |
15 | 46262de |
hex | 2fe9d8d |
50240909 has 2 divisors, whose sum is σ = 50240910. Its totient is φ = 50240908.
The previous prime is 50240903. The next prime is 50240923. The reversal of 50240909 is 90904205.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 46280809 + 3960100 = 6803^2 + 1990^2 .
It is a cyclic number.
It is not a de Polignac number, because 50240909 - 28 = 50240653 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50240903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25120454 + 25120455.
It is an arithmetic number, because the mean of its divisors is an integer number (25120455).
Almost surely, 250240909 is an apocalyptic number.
It is an amenable number.
50240909 is a deficient number, since it is larger than the sum of its proper divisors (1).
50240909 is an equidigital number, since it uses as much as digits as its factorization.
50240909 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 50240909 is about 7088.0821806748. The cubic root of 50240909 is about 368.9938796928.
The spelling of 50240909 in words is "fifty million, two hundred forty thousand, nine hundred nine".
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