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394223 is a prime number
BaseRepresentation
bin1100000001111101111
3202000202212
41200033233
5100103343
612241035
73231224
oct1401757
9660685
10394223
1124a205
1217017b
1310a58b
14a394b
157bc18
hex603ef

394223 has 2 divisors, whose sum is σ = 394224. Its totient is φ = 394222.

The previous prime is 394211. The next prime is 394241. The reversal of 394223 is 322493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 394223 - 216 = 328687 is a prime.

It is a d-powerful number, because it can be written as 35 + 9 + 29 + 49 + 217 + 35 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394223.

It is not a weakly prime, because it can be changed into another prime (394123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197111 + 197112.

It is an arithmetic number, because the mean of its divisors is an integer number (197112).

2394223 is an apocalyptic number.

394223 is a deficient number, since it is larger than the sum of its proper divisors (1).

394223 is an equidigital number, since it uses as much as digits as its factorization.

394223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 394223 is about 627.8718022017. The cubic root of 394223 is about 73.3241976682.

The spelling of 394223 in words is "three hundred ninety-four thousand, two hundred twenty-three".