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694223 is a prime number
BaseRepresentation
bin10101001011111001111
31022021021222
42221133033
5134203343
622513555
75620655
oct2513717
91267258
10694223
11434642
122958bb
131b3caa
14140dd5
15daa68
hexa97cf

694223 has 2 divisors, whose sum is σ = 694224. Its totient is φ = 694222.

The previous prime is 694207. The next prime is 694259. The reversal of 694223 is 322496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 694223 - 24 = 694207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 694192 and 694201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347111 + 347112.

It is an arithmetic number, because the mean of its divisors is an integer number (347112).

2694223 is an apocalyptic number.

694223 is a deficient number, since it is larger than the sum of its proper divisors (1).

694223 is an equidigital number, since it uses as much as digits as its factorization.

694223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 694223 is about 833.2004560728. The cubic root of 694223 is about 88.5454669711.

The spelling of 694223 in words is "six hundred ninety-four thousand, two hundred twenty-three".