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488281081 is a prime number
BaseRepresentation
bin11101000110101…
…001001111111001
31021000210020201111
4131012221033321
51444444443311
6120241320321
715046215001
oct3506511771
91230706644
10488281081
11230692892
121176360a1
137a211022
1448bc5001
152cd00d21
hex1d1a93f9

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".