Base | Representation |
---|---|
bin | 1011111110011… |
… | …1100001011011 |
3 | 10111112000111202 |
4 | 2333213201123 |
5 | 100324401022 |
6 | 4552344415 |
7 | 1146650123 |
oct | 277474133 |
9 | 114460452 |
10 | 50231387 |
11 | 26399648 |
12 | 149a510b |
13 | a53981b |
14 | 6957c83 |
15 | 4623592 |
hex | 2fe785b |
50231387 has 2 divisors, whose sum is σ = 50231388. Its totient is φ = 50231386.
The previous prime is 50231359. The next prime is 50231399. The reversal of 50231387 is 78313205.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 50231387 - 28 = 50231131 is a prime.
It is not a weakly prime, because it can be changed into another prime (50221387) 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, 25115693 + 25115694.
It is an arithmetic number, because the mean of its divisors is an integer number (25115694).
Almost surely, 250231387 is an apocalyptic number.
50231387 is a deficient number, since it is larger than the sum of its proper divisors (1).
50231387 is an equidigital number, since it uses as much as digits as its factorization.
50231387 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 50231387 is about 7087.4104579882. The cubic root of 50231387 is about 368.9705668070.
The spelling of 50231387 in words is "fifty million, two hundred thirty-one thousand, three hundred eighty-seven".
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