Search a number
-
+
224550217 is a prime number
BaseRepresentation
bin11010110001001…
…01110101001001
3120122112022222201
431120211311021
5424441101332
634140520201
75364434233
oct1530456511
9518468881
10224550217
111058309a1
1263250061
13376a1868
1421b73253
1514aa85e7
hexd625d49

224550217 has 2 divisors, whose sum is σ = 224550218. Its totient is φ = 224550216.

The previous prime is 224550199. The next prime is 224550223. The reversal of 224550217 is 712055422.

224550217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224370441 + 179776 = 14979^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 224550217 - 219 = 224025929 is a prime.

It is not a weakly prime, because it can be changed into another prime (224550017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112275108 + 112275109.

It is an arithmetic number, because the mean of its divisors is an integer number (112275109).

Almost surely, 2224550217 is an apocalyptic number.

It is an amenable number.

224550217 is a deficient number, since it is larger than the sum of its proper divisors (1).

224550217 is an equidigital number, since it uses as much as digits as its factorization.

224550217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 224550217 is about 14984.9997330664. Note that the first 3 decimals coincide. The cubic root of 224550217 is about 607.8146445961.

The spelling of 224550217 in words is "two hundred twenty-four million, five hundred fifty thousand, two hundred seventeen".