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486995281 is a prime number
BaseRepresentation
bin11101000001101…
…111010101010001
31020221100220221021
4131001233111101
51444132322111
6120153555441
715032251213
oct3501572521
91227326837
10486995281
1122a994843
12117115b81
1379b809b6
144896c5b3
152cb49d71
hex1d06f551

486995281 has 2 divisors, whose sum is σ = 486995282. Its totient is φ = 486995280.

The previous prime is 486995219. The next prime is 486995291. The reversal of 486995281 is 182599684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468332881 + 18662400 = 21641^2 + 4320^2 .

It is a cyclic number.

It is not a de Polignac number, because 486995281 - 223 = 478606673 is a prime.

It is a super-2 number, since 2×4869952812 = 474328807432537922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (486995291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243497640 + 243497641.

It is an arithmetic number, because the mean of its divisors is an integer number (243497641).

Almost surely, 2486995281 is an apocalyptic number.

It is an amenable number.

486995281 is a deficient number, since it is larger than the sum of its proper divisors (1).

486995281 is an equidigital number, since it uses as much as digits as its factorization.

486995281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 52.

The square root of 486995281 is about 22067.9695713040. The cubic root of 486995281 is about 786.7587548002.

The spelling of 486995281 in words is "four hundred eighty-six million, nine hundred ninety-five thousand, two hundred eighty-one".