Base | Representation |
---|---|
bin | 1100000110110… |
… | …1101101000001 |
3 | 10112112221102112 |
4 | 3001231231001 |
5 | 100444442433 |
6 | 5012225105 |
7 | 1154426354 |
oct | 301555501 |
9 | 115487375 |
10 | 50780993 |
11 | 2673456a |
12 | 1500b195 |
13 | a69ca33 |
14 | 6a5c29b |
15 | 46d1348 |
hex | 306db41 |
50780993 has 2 divisors, whose sum is σ = 50780994. Its totient is φ = 50780992.
The previous prime is 50780959. The next prime is 50780999. The reversal of 50780993 is 39908705.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 49463089 + 1317904 = 7033^2 + 1148^2 .
It is a cyclic number.
It is not a de Polignac number, because 50780993 - 26 = 50780929 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 50780993.
It is not a weakly prime, because it can be changed into another prime (50780999) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25390496 + 25390497.
It is an arithmetic number, because the mean of its divisors is an integer number (25390497).
Almost surely, 250780993 is an apocalyptic number.
It is an amenable number.
50780993 is a deficient number, since it is larger than the sum of its proper divisors (1).
50780993 is an equidigital number, since it uses as much as digits as its factorization.
50780993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 50780993 is about 7126.0783745339. The cubic root of 50780993 is about 370.3113838430.
The spelling of 50780993 in words is "fifty million, seven hundred eighty thousand, nine hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •