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223000049 is a prime number
BaseRepresentation
bin11010100101010…
…11010111110001
3120112121120120002
431102223113301
5424042000144
634043355345
75345316626
oct1522532761
9515546502
10223000049
11104972268
1262822b55
133727b0bc
142188c34d
151489e14e
hexd4ab5f1

223000049 has 2 divisors, whose sum is σ = 223000050. Its totient is φ = 223000048.

The previous prime is 223000039. The next prime is 223000051. The reversal of 223000049 is 940000322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218093824 + 4906225 = 14768^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 223000049 - 28 = 222999793 is a prime.

It is a Sophie Germain prime.

Together with 223000051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111500024 + 111500025.

It is an arithmetic number, because the mean of its divisors is an integer number (111500025).

Almost surely, 2223000049 is an apocalyptic number.

It is an amenable number.

223000049 is a deficient number, since it is larger than the sum of its proper divisors (1).

223000049 is an equidigital number, since it uses as much as digits as its factorization.

223000049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 223000049 is about 14933.1861637093. The cubic root of 223000049 is about 606.4127438666.

The spelling of 223000049 in words is "two hundred twenty-three million, forty-nine", and thus it is an aban number.