Base | Representation |
---|---|
bin | 11101000110101… |
… | …001001111111001 |
3 | 1021000210020201111 |
4 | 131012221033321 |
5 | 1444444443311 |
6 | 120241320321 |
7 | 15046215001 |
oct | 3506511771 |
9 | 1230706644 |
10 | 488281081 |
11 | 230692892 |
12 | 1176360a1 |
13 | 7a211022 |
14 | 48bc5001 |
15 | 2cd00d21 |
hex | 1d1a93f9 |
488281081 has 2 divisors, whose sum is σ = 488281082. Its totient is φ = 488281080.
The previous prime is 488281069. The next prime is 488281097. The reversal of 488281081 is 180182884.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 356605456 + 131675625 = 18884^2 + 11475^2 .
It is a cyclic number.
It is not a de Polignac number, because 488281081 - 25 = 488281049 is a prime.
It is a super-2 number, since 2×4882810812 = 476836828125057122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (488281681) 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, 244140540 + 244140541.
It is an arithmetic number, because the mean of its divisors is an integer number (244140541).
Almost surely, 2488281081 is an apocalyptic number.
It is an amenable number.
488281081 is a deficient number, since it is larger than the sum of its proper divisors (1).
488281081 is an equidigital number, since it uses as much as digits as its factorization.
488281081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32768, while the sum is 40.
The square root of 488281081 is about 22097.0830880458. The cubic root of 488281081 is about 787.4505653356.
The spelling of 488281081 in words is "four hundred eighty-eight million, two hundred eighty-one thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •