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224255149 is a prime number
BaseRepresentation
bin11010101110111…
…01110010101101
3120121222100020021
431113131302231
5424402131044
634130322141
75362065046
oct1527356255
9517870207
10224255149
1110564a238
1263129351
13375ca471
1421ad78cd
1514a4ae84
hexd5ddcad

224255149 has 2 divisors, whose sum is σ = 224255150. Its totient is φ = 224255148.

The previous prime is 224255131. The next prime is 224255179. The reversal of 224255149 is 941552422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117029124 + 107226025 = 10818^2 + 10355^2 .

It is a cyclic number.

It is not a de Polignac number, because 224255149 - 29 = 224254637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224255179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112127574 + 112127575.

It is an arithmetic number, because the mean of its divisors is an integer number (112127575).

Almost surely, 2224255149 is an apocalyptic number.

It is an amenable number.

224255149 is a deficient number, since it is larger than the sum of its proper divisors (1).

224255149 is an equidigital number, since it uses as much as digits as its factorization.

224255149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 224255149 is about 14975.1510509911. The cubic root of 224255149 is about 607.5482969500.

The spelling of 224255149 in words is "two hundred twenty-four million, two hundred fifty-five thousand, one hundred forty-nine".