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224742169 is a prime number
BaseRepresentation
bin11010110010101…
…00101100011001
3120122220002022001
431121110230121
5430013222134
634145001001
75366163661
oct1531245431
9518802261
10224742169
11105952133
1263323161
133773b042
1421bc31a1
1514ae5414
hexd654b19

224742169 has 2 divisors, whose sum is σ = 224742170. Its totient is φ = 224742168.

The previous prime is 224742139. The next prime is 224742211. The reversal of 224742169 is 961247422.

224742169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190108944 + 34633225 = 13788^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 224742169 - 27 = 224742041 is a prime.

It is a super-2 number, since 2×2247421692 = 101018085053649122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224742139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112371084 + 112371085.

It is an arithmetic number, because the mean of its divisors is an integer number (112371085).

Almost surely, 2224742169 is an apocalyptic number.

It is an amenable number.

224742169 is a deficient number, since it is larger than the sum of its proper divisors (1).

224742169 is an equidigital number, since it uses as much as digits as its factorization.

224742169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 224742169 is about 14991.4031698170. The cubic root of 224742169 is about 607.9877877640.

The spelling of 224742169 in words is "two hundred twenty-four million, seven hundred forty-two thousand, one hundred sixty-nine".