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171268241 is a prime number
BaseRepresentation
bin10100011010101…
…01100010010001
3102221021022212012
422031111202101
5322321040431
624554512305
74146520214
oct1215254221
9387238765
10171268241
1188749401
1249435695
1329637671
1418a6377b
151008122b
hexa355891

171268241 has 2 divisors, whose sum is σ = 171268242. Its totient is φ = 171268240.

The previous prime is 171268231. The next prime is 171268243. The reversal of 171268241 is 142862171.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144961600 + 26306641 = 12040^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 171268241 - 218 = 171006097 is a prime.

It is a Sophie Germain prime.

Together with 171268243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p9570128 and since 171268241 and 9570128 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 171268198 and 171268207.

It is not a weakly prime, because it can be changed into another prime (171268243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85634120 + 85634121.

It is an arithmetic number, because the mean of its divisors is an integer number (85634121).

Almost surely, 2171268241 is an apocalyptic number.

It is an amenable number.

171268241 is a deficient number, since it is larger than the sum of its proper divisors (1).

171268241 is an equidigital number, since it uses as much as digits as its factorization.

171268241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 171268241 is about 13086.9492625287. The cubic root of 171268241 is about 555.3399870156.

The spelling of 171268241 in words is "one hundred seventy-one million, two hundred sixty-eight thousand, two hundred forty-one".