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676289 is a prime number
BaseRepresentation
bin10100101000111000001
31021100200202
42211013001
5133120124
622254545
75514455
oct2450701
91240622
10676289
11422119
12287455
131a8a93
14138665
15d55ae
hexa51c1

676289 has 2 divisors, whose sum is σ = 676290. Its totient is φ = 676288.

The previous prime is 676279. The next prime is 676297. The reversal of 676289 is 982676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339889 + 336400 = 583^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 676289 - 212 = 672193 is a prime.

It is not a weakly prime, because it can be changed into another prime (676219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338144 + 338145.

It is an arithmetic number, because the mean of its divisors is an integer number (338145).

2676289 is an apocalyptic number.

It is an amenable number.

676289 is a deficient number, since it is larger than the sum of its proper divisors (1).

676289 is an equidigital number, since it uses as much as digits as its factorization.

676289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 676289 is about 822.3679225262. The cubic root of 676289 is about 87.7763345499.

It can be divided in two parts, 676 and 289, that multiplied together give a square (195364 = 4422).

The spelling of 676289 in words is "six hundred seventy-six thousand, two hundred eighty-nine".