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64223 is a prime number
BaseRepresentation
bin1111101011011111
310021002122
433223133
54023343
61213155
7355145
oct175337
9107078
1064223
1144285
12311bb
1323303
1419595
1514068
hexfadf

64223 has 2 divisors, whose sum is σ = 64224. Its totient is φ = 64222.

The previous prime is 64217. The next prime is 64231. The reversal of 64223 is 32246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64223 - 210 = 63199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64283) 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, 32111 + 32112.

It is an arithmetic number, because the mean of its divisors is an integer number (32112).

264223 is an apocalyptic number.

64223 is a deficient number, since it is larger than the sum of its proper divisors (1).

64223 is an equidigital number, since it uses as much as digits as its factorization.

64223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 17.

The square root of 64223 is about 253.4225720018. The cubic root of 64223 is about 40.0464044781.

Adding to 64223 its reverse (32246), we get a palindrome (96469).

The spelling of 64223 in words is "sixty-four thousand, two hundred twenty-three".