Base | Representation |
---|---|
bin | 1011111101110… |
… | …1101001110001 |
3 | 10111102222001111 |
4 | 2333131221301 |
5 | 100322102321 |
6 | 4551433321 |
7 | 1146421222 |
oct | 277355161 |
9 | 114388044 |
10 | 50190961 |
11 | 26371237 |
12 | 14985841 |
13 | a5242c2 |
14 | 6947249 |
15 | 46165e1 |
hex | 2fdda71 |
50190961 has 2 divisors, whose sum is σ = 50190962. Its totient is φ = 50190960.
The previous prime is 50190937. The next prime is 50190977. The reversal of 50190961 is 16909105.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47004736 + 3186225 = 6856^2 + 1785^2 .
It is a cyclic number.
It is not a de Polignac number, because 50190961 - 29 = 50190449 is a prime.
It is a super-2 number, since 2×501909612 = 5038265132207042, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (50190911) 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, 25095480 + 25095481.
It is an arithmetic number, because the mean of its divisors is an integer number (25095481).
Almost surely, 250190961 is an apocalyptic number.
It is an amenable number.
50190961 is a deficient number, since it is larger than the sum of its proper divisors (1).
50190961 is an equidigital number, since it uses as much as digits as its factorization.
50190961 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2430, while the sum is 31.
The square root of 50190961 is about 7084.5579255166. The cubic root of 50190961 is about 368.8715582769.
The spelling of 50190961 in words is "fifty million, one hundred ninety thousand, nine hundred sixty-one".
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