Base | Representation |
---|---|
bin | 11100111101000… |
… | …100011001100001 |
3 | 1020212001201022221 |
4 | 130331010121201 |
5 | 1443324131344 |
6 | 120111431041 |
7 | 15015661354 |
oct | 3475043141 |
9 | 1225051287 |
10 | 485770849 |
11 | 22a228913 |
12 | 116825481 |
13 | 79842595 |
14 | 4873029b |
15 | 2c9a7184 |
hex | 1cf44661 |
485770849 has 2 divisors, whose sum is σ = 485770850. Its totient is φ = 485770848.
The previous prime is 485770847. The next prime is 485770861. The reversal of 485770849 is 948077584.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 373262400 + 112508449 = 19320^2 + 10607^2 .
It is a cyclic number.
It is not a de Polignac number, because 485770849 - 21 = 485770847 is a prime.
Together with 485770847, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 485770796 and 485770805.
It is not a weakly prime, because it can be changed into another prime (485770847) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242885424 + 242885425.
It is an arithmetic number, because the mean of its divisors is an integer number (242885425).
Almost surely, 2485770849 is an apocalyptic number.
It is an amenable number.
485770849 is a deficient number, since it is larger than the sum of its proper divisors (1).
485770849 is an equidigital number, since it uses as much as digits as its factorization.
485770849 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2257920, while the sum is 52.
The square root of 485770849 is about 22040.2098220502. The cubic root of 485770849 is about 786.0988298012.
The spelling of 485770849 in words is "four hundred eighty-five million, seven hundred seventy thousand, eight hundred forty-nine".
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