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676217 is a prime number
BaseRepresentation
bin10100101000101111001
31021100121002
42211011321
5133114332
622254345
75514323
oct2450571
91240532
10676217
11422063
122873b5
131a8a39
14138613
15d5562
hexa5179

676217 has 2 divisors, whose sum is σ = 676218. Its totient is φ = 676216.

The previous prime is 676211. The next prime is 676219. The reversal of 676217 is 712676.

676217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657721 + 18496 = 811^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 676217 - 216 = 610681 is a prime.

Together with 676219, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 676217.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676217.

It is not a weakly prime, because it can be changed into another prime (676211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338108 + 338109.

It is an arithmetic number, because the mean of its divisors is an integer number (338109).

2676217 is an apocalyptic number.

It is an amenable number.

676217 is a deficient number, since it is larger than the sum of its proper divisors (1).

676217 is an equidigital number, since it uses as much as digits as its factorization.

676217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 29.

The square root of 676217 is about 822.3241453344. The cubic root of 676217 is about 87.7732194515.

The spelling of 676217 in words is "six hundred seventy-six thousand, two hundred seventeen".