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868828241 is a prime number
BaseRepresentation
bin110011110010010…
…100010001010001
32020112212001021202
4303302110101101
53234410000431
6222114000545
730346626641
oct6362242121
92215761252
10868828241
11406481576
12202b76155
1310b001268
1483564521
15514208cb
hex33c94451

868828241 has 2 divisors, whose sum is σ = 868828242. Its totient is φ = 868828240.

The previous prime is 868828189. The next prime is 868828271. The reversal of 868828241 is 142828868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681001216 + 187827025 = 26096^2 + 13705^2 .

It is a cyclic number.

It is not a de Polignac number, because 868828241 - 210 = 868827217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (868828271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434414120 + 434414121.

It is an arithmetic number, because the mean of its divisors is an integer number (434414121).

Almost surely, 2868828241 is an apocalyptic number.

It is an amenable number.

868828241 is a deficient number, since it is larger than the sum of its proper divisors (1).

868828241 is an equidigital number, since it uses as much as digits as its factorization.

868828241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393216, while the sum is 47.

The square root of 868828241 is about 29475.8925394974. The cubic root of 868828241 is about 954.2114928117.

The spelling of 868828241 in words is "eight hundred sixty-eight million, eight hundred twenty-eight thousand, two hundred forty-one".