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680027 is a prime number
BaseRepresentation
bin10100110000001011011
31021112211012
42212001123
5133230102
622324135
75531405
oct2460133
91245735
10680027
11424a07
1228964b
131aa6aa
14139b75
15d6752
hexa605b

680027 has 2 divisors, whose sum is σ = 680028. Its totient is φ = 680026.

The previous prime is 680003. The next prime is 680039. The reversal of 680027 is 720086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680027 - 212 = 675931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679984 and 680011.

It is not a weakly prime, because it can be changed into another prime (680077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340013 + 340014.

It is an arithmetic number, because the mean of its divisors is an integer number (340014).

2680027 is an apocalyptic number.

680027 is a deficient number, since it is larger than the sum of its proper divisors (1).

680027 is an equidigital number, since it uses as much as digits as its factorization.

680027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 680027 is about 824.6374961157. The cubic root of 680027 is about 87.9377572944.

The spelling of 680027 in words is "six hundred eighty thousand, twenty-seven".