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4228394161 is a prime number
BaseRepresentation
bin1111110000001000…
…0010110010110001
3101220200110200100011
43330002002302301
532124432103121
61535325054521
7206532520525
oct37402026261
911820420304
104228394161
11187a900132
129a00b7441
1352503aaa4
142c1807d85
1519b33c7e1
hexfc082cb1

4228394161 has 2 divisors, whose sum is σ = 4228394162. Its totient is φ = 4228394160.

The previous prime is 4228394147. The next prime is 4228394237. The reversal of 4228394161 is 1614938224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3254017936 + 974376225 = 57044^2 + 31215^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228394161 - 229 = 3691523249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4228394461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114197080 + 2114197081.

It is an arithmetic number, because the mean of its divisors is an integer number (2114197081).

Almost surely, 24228394161 is an apocalyptic number.

It is an amenable number.

4228394161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228394161 is an equidigital number, since it uses as much as digits as its factorization.

4228394161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 4228394161 is about 65026.1036892108. The cubic root of 4228394161 is about 1617.0563524757.

The spelling of 4228394161 in words is "four billion, two hundred twenty-eight million, three hundred ninety-four thousand, one hundred sixty-one".