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8689223 is a prime number
BaseRepresentation
bin100001001001…
…011001000111
3121100110101002
4201021121013
54211023343
6510123515
7133600004
oct41113107
917313332
108689223
1149a5384
122ab059b
131a5306a
1412228ab
15b698b8
hex849647

8689223 has 2 divisors, whose sum is σ = 8689224. Its totient is φ = 8689222.

The previous prime is 8689217. The next prime is 8689243. The reversal of 8689223 is 3229868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8689223 - 216 = 8623687 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8689243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4344611 + 4344612.

It is an arithmetic number, because the mean of its divisors is an integer number (4344612).

Almost surely, 28689223 is an apocalyptic number.

8689223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8689223 is an equidigital number, since it uses as much as digits as its factorization.

8689223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 8689223 is about 2947.7488020522. The cubic root of 8689223 is about 205.5860525268.

The spelling of 8689223 in words is "eight million, six hundred eighty-nine thousand, two hundred twenty-three".