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229189 is a prime number
BaseRepresentation
bin110111111101000101
3102122101111
4313331011
524313224
64525021
71643122
oct677505
9378344
10229189
11147214
12b0771
138041c
145d749
1547d94
hex37f45

229189 has 2 divisors, whose sum is σ = 229190. Its totient is φ = 229188.

The previous prime is 229181. The next prime is 229199. The reversal of 229189 is 981922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116964 + 112225 = 342^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 229189 - 23 = 229181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114594 + 114595.

It is an arithmetic number, because the mean of its divisors is an integer number (114595).

2229189 is an apocalyptic number.

It is an amenable number.

229189 is a deficient number, since it is larger than the sum of its proper divisors (1).

229189 is an equidigital number, since it uses as much as digits as its factorization.

229189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 229189 is about 478.7368797158. The cubic root of 229189 is about 61.1971583684.

The spelling of 229189 in words is "two hundred twenty-nine thousand, one hundred eighty-nine".