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676349 is a prime number
BaseRepresentation
bin10100101000111111101
31021100202222
42211013331
5133120344
622255125
75514602
oct2450775
91240688
10676349
11422173
122874a5
131a8b0b
141386a9
15d55ee
hexa51fd

676349 has 2 divisors, whose sum is σ = 676350. Its totient is φ = 676348.

The previous prime is 676339. The next prime is 676363. The reversal of 676349 is 943676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 7225 = 818^2 + 85^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-676349 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338174 + 338175.

It is an arithmetic number, because the mean of its divisors is an integer number (338175).

2676349 is an apocalyptic number.

It is an amenable number.

676349 is a deficient number, since it is larger than the sum of its proper divisors (1).

676349 is an equidigital number, since it uses as much as digits as its factorization.

676349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 676349 is about 822.4044017392. The cubic root of 676349 is about 87.7789302964.

The spelling of 676349 in words is "six hundred seventy-six thousand, three hundred forty-nine".