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220443049 is a prime number
BaseRepresentation
bin11010010001110…
…11000110101001
3120100210200000101
431020323012221
5422413134144
633512505401
75314510051
oct1510730651
9510720011
10220443049
11103486142
12619ab261
1336894298
14213c4561
15145466d4
hexd23b1a9

220443049 has 2 divisors, whose sum is σ = 220443050. Its totient is φ = 220443048.

The previous prime is 220443043. The next prime is 220443163. The reversal of 220443049 is 940344022.

220443049 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., 163712025 + 56731024 = 12795^2 + 7532^2 .

It is a cyclic number.

It is not a de Polignac number, because 220443049 - 213 = 220434857 is a prime.

It is not a weakly prime, because it can be changed into another prime (220443043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110221524 + 110221525.

It is an arithmetic number, because the mean of its divisors is an integer number (110221525).

Almost surely, 2220443049 is an apocalyptic number.

It is an amenable number.

220443049 is a deficient number, since it is larger than the sum of its proper divisors (1).

220443049 is an equidigital number, since it uses as much as digits as its factorization.

220443049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 220443049 is about 14847.3246411601. The cubic root of 220443049 is about 604.0860448224.

The spelling of 220443049 in words is "two hundred twenty million, four hundred forty-three thousand, forty-nine".