Base | Representation |
---|---|
bin | 1100000000110… |
… | …1011100010101 |
3 | 10111210220120102 |
4 | 3000031130111 |
5 | 100344333314 |
6 | 4555543445 |
7 | 1151165012 |
oct | 300153425 |
9 | 114726512 |
10 | 50386709 |
11 | 2649530a |
12 | 14a5ab85 |
13 | a592429 |
14 | 6998709 |
15 | 46545de |
hex | 300d715 |
50386709 has 2 divisors, whose sum is σ = 50386710. Its totient is φ = 50386708.
The previous prime is 50386681. The next prime is 50386751. The reversal of 50386709 is 90768305.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31922500 + 18464209 = 5650^2 + 4297^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-50386709 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 (50386109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25193354 + 25193355.
It is an arithmetic number, because the mean of its divisors is an integer number (25193355).
Almost surely, 250386709 is an apocalyptic number.
It is an amenable number.
50386709 is a deficient number, since it is larger than the sum of its proper divisors (1).
50386709 is an equidigital number, since it uses as much as digits as its factorization.
50386709 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 50386709 is about 7098.3595992314. The cubic root of 50386709 is about 369.3504772032.
The spelling of 50386709 in words is "fifty million, three hundred eighty-six thousand, seven hundred nine".
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