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224069 is a prime number
BaseRepresentation
bin110110101101000101
3102101100212
4312231011
524132234
64445205
71622156
oct665505
9371325
10224069
1114338a
12a9805
137acb1
145b92d
15465ce
hex36b45

224069 has 2 divisors, whose sum is σ = 224070. Its totient is φ = 224068.

The previous prime is 224057. The next prime is 224071. The reversal of 224069 is 960422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 93025 = 362^2 + 305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-224069 is a prime.

It is a super-2 number, since 2×2240692 = 100413833522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 224071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112034 + 112035.

It is an arithmetic number, because the mean of its divisors is an integer number (112035).

2224069 is an apocalyptic number.

It is an amenable number.

224069 is a deficient number, since it is larger than the sum of its proper divisors (1).

224069 is an equidigital number, since it uses as much as digits as its factorization.

224069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 224069 is about 473.3592715898. The cubic root of 224069 is about 60.7380146497.

The spelling of 224069 in words is "two hundred twenty-four thousand, sixty-nine".