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488665319 is a prime number
BaseRepresentation
bin11101001000000…
…111000011100111
31021001111202210112
4131020013003213
52000044242234
6120253443235
715052405142
oct3510070347
91231452715
10488665319
1123092553a
121177a051b
137a316b9c
1448c85059
152cd79ace
hex1d2070e7

488665319 has 2 divisors, whose sum is σ = 488665320. Its totient is φ = 488665318.

The previous prime is 488665279. The next prime is 488665349. The reversal of 488665319 is 913566884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 488665319 - 220 = 487616743 is a prime.

It is a super-2 number, since 2×4886653192 = 477587587986743522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488665349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244332659 + 244332660.

It is an arithmetic number, because the mean of its divisors is an integer number (244332660).

Almost surely, 2488665319 is an apocalyptic number.

488665319 is a deficient number, since it is larger than the sum of its proper divisors (1).

488665319 is an equidigital number, since it uses as much as digits as its factorization.

488665319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 488665319 is about 22105.7756932436. The cubic root of 488665319 is about 787.6570646322.

The spelling of 488665319 in words is "four hundred eighty-eight million, six hundred sixty-five thousand, three hundred nineteen".