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486211081 is a prime number
BaseRepresentation
bin11100111110101…
…111111000001001
31020212220002012211
4130332233320021
51443432223311
6120125105121
715022504006
oct3476577011
91225802184
10486211081
1122a4a9644
121169b81a1
1379967a85
14488068ad
152ca42821
hex1cfafe09

486211081 has 2 divisors, whose sum is σ = 486211082. Its totient is φ = 486211080.

The previous prime is 486211079. The next prime is 486211097. The reversal of 486211081 is 180112684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373107856 + 113103225 = 19316^2 + 10635^2 .

It is a cyclic number.

It is not a de Polignac number, because 486211081 - 21 = 486211079 is a prime.

It is a super-3 number, since 3×4862110813 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 486211079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (486211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243105540 + 243105541.

It is an arithmetic number, because the mean of its divisors is an integer number (243105541).

Almost surely, 2486211081 is an apocalyptic number.

It is an amenable number.

486211081 is a deficient number, since it is larger than the sum of its proper divisors (1).

486211081 is an equidigital number, since it uses as much as digits as its factorization.

486211081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 486211081 is about 22050.1945796403. The cubic root of 486211081 is about 786.3362266260.

The spelling of 486211081 in words is "four hundred eighty-six million, two hundred eleven thousand, eighty-one".