Base | Representation |
---|---|
bin | 11101010000001… |
… | …001010100100011 |
3 | 1021012110210021101 |
4 | 131100021110203 |
5 | 2001114143442 |
6 | 120410535231 |
7 | 15106330264 |
oct | 3520112443 |
9 | 1235423241 |
10 | 490771747 |
11 | 232034094 |
12 | 118437517 |
13 | 7a8a38ab |
14 | 4927296b |
15 | 2d143cb7 |
hex | 1d409523 |
490771747 has 2 divisors, whose sum is σ = 490771748. Its totient is φ = 490771746.
The previous prime is 490771739. The next prime is 490771753. The reversal of 490771747 is 747177094.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 490771747 - 23 = 490771739 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 490771697 and 490771706.
It is not a weakly prime, because it can be changed into another prime (490771247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245385873 + 245385874.
It is an arithmetic number, because the mean of its divisors is an integer number (245385874).
Almost surely, 2490771747 is an apocalyptic number.
490771747 is a deficient number, since it is larger than the sum of its proper divisors (1).
490771747 is an equidigital number, since it uses as much as digits as its factorization.
490771747 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 345744, while the sum is 46.
The square root of 490771747 is about 22153.3687505986. The cubic root of 490771747 is about 788.7871936938.
The spelling of 490771747 in words is "four hundred ninety million, seven hundred seventy-one thousand, seven hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •