Base | Representation |
---|---|
bin | 1011111110110… |
… | …0110000010101 |
3 | 10111120002220121 |
4 | 2333230300111 |
5 | 100331042241 |
6 | 4553031541 |
7 | 1150066453 |
oct | 277546025 |
9 | 114502817 |
10 | 50252821 |
11 | 26403763 |
12 | 149b55b1 |
13 | a5464c8 |
14 | 69619d3 |
15 | 4629ad1 |
hex | 2fecc15 |
50252821 has 2 divisors, whose sum is σ = 50252822. Its totient is φ = 50252820.
The previous prime is 50252791. The next prime is 50252831. The reversal of 50252821 is 12825205.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 37075921 + 13176900 = 6089^2 + 3630^2 .
It is a cyclic number.
It is not a de Polignac number, because 50252821 - 217 = 50121749 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50252831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126410 + 25126411.
It is an arithmetic number, because the mean of its divisors is an integer number (25126411).
Almost surely, 250252821 is an apocalyptic number.
It is an amenable number.
50252821 is a deficient number, since it is larger than the sum of its proper divisors (1).
50252821 is an equidigital number, since it uses as much as digits as its factorization.
50252821 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 50252821 is about 7088.9224145846. The cubic root of 50252821 is about 369.0230399119.
The spelling of 50252821 in words is "fifty million, two hundred fifty-two thousand, eight hundred twenty-one".
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