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220694741 is a prime number
BaseRepresentation
bin11010010011110…
…00100011010101
3120101021110021022
431021320203111
5422444212431
633522130525
75316605621
oct1511704325
9511243238
10220694741
11103638253
1261ab0a45
1336951a07
142144c181
151459607b
hexd2788d5

220694741 has 2 divisors, whose sum is σ = 220694742. Its totient is φ = 220694740.

The previous prime is 220694737. The next prime is 220694753. The reversal of 220694741 is 147496022.

220694741 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., 220671025 + 23716 = 14855^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 220694741 - 22 = 220694737 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220694041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110347370 + 110347371.

It is an arithmetic number, because the mean of its divisors is an integer number (110347371).

Almost surely, 2220694741 is an apocalyptic number.

It is an amenable number.

220694741 is a deficient number, since it is larger than the sum of its proper divisors (1).

220694741 is an equidigital number, since it uses as much as digits as its factorization.

220694741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 220694741 is about 14855.7982283013. The cubic root of 220694741 is about 604.3158635090.

The spelling of 220694741 in words is "two hundred twenty million, six hundred ninety-four thousand, seven hundred forty-one".