Base | Representation |
---|---|
bin | 11100101011110… |
… | …010011110100101 |
3 | 1020112112120112122 |
4 | 130223302132211 |
5 | 1441144202442 |
6 | 115430355325 |
7 | 14632323656 |
oct | 3453623645 |
9 | 1215476478 |
10 | 481240997 |
11 | 227714536 |
12 | 1151bbb45 |
13 | 789177b3 |
14 | 47cb152d |
15 | 2c3aedd2 |
hex | 1caf27a5 |
481240997 has 2 divisors, whose sum is σ = 481240998. Its totient is φ = 481240996.
The previous prime is 481240979. The next prime is 481241003. The reversal of 481240997 is 799042184.
Together with previous prime (481240979) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 351600001 + 129640996 = 18751^2 + 11386^2 .
It is a cyclic number.
It is not a de Polignac number, because 481240997 - 28 = 481240741 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 (481240957) 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, 240620498 + 240620499.
It is an arithmetic number, because the mean of its divisors is an integer number (240620499).
Almost surely, 2481240997 is an apocalyptic number.
It is an amenable number.
481240997 is a deficient number, since it is larger than the sum of its proper divisors (1).
481240997 is an equidigital number, since it uses as much as digits as its factorization.
481240997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 145152, while the sum is 44.
The square root of 481240997 is about 21937.2057701066. The cubic root of 481240997 is about 783.6477168544.
The spelling of 481240997 in words is "four hundred eighty-one million, two hundred forty thousand, nine hundred ninety-seven".
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