Base | Representation |
---|---|
bin | 11101000111011… |
… | …001011100011011 |
3 | 1021001011021111222 |
4 | 131013121130123 |
5 | 2000022302431 |
6 | 120245442255 |
7 | 15050666354 |
oct | 3507313433 |
9 | 1231137458 |
10 | 488478491 |
11 | 230808136 |
12 | 11771038b |
13 | 7a27cb37 |
14 | 48c36d2b |
15 | 2cd3e57b |
hex | 1d1d971b |
488478491 has 2 divisors, whose sum is σ = 488478492. Its totient is φ = 488478490.
The previous prime is 488478479. The next prime is 488478503. The reversal of 488478491 is 194874884.
It is a balanced prime because it is at equal distance from previous prime (488478479) and next prime (488478503).
It is a cyclic number.
It is not a de Polignac number, because 488478491 - 210 = 488477467 is a prime.
It is a super-2 number, since 2×4884784912 = 477222472339274162, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (488478451) 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, 244239245 + 244239246.
It is an arithmetic number, because the mean of its divisors is an integer number (244239246).
Almost surely, 2488478491 is an apocalyptic number.
488478491 is a deficient number, since it is larger than the sum of its proper divisors (1).
488478491 is an equidigital number, since it uses as much as digits as its factorization.
488478491 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2064384, while the sum is 53.
The square root of 488478491 is about 22101.5495158145. The cubic root of 488478491 is about 787.5566720280.
The spelling of 488478491 in words is "four hundred eighty-eight million, four hundred seventy-eight thousand, four hundred ninety-one".
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