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10242161 is a prime number
BaseRepresentation
bin100111000100…
…100001110001
3201021100121022
4213010201301
510110222121
61003305225
7153025346
oct47044161
921240538
1010242161
1158660a6
12351b215
132177b67
1415087cd
15d74aab
hex9c4871

10242161 has 2 divisors, whose sum is σ = 10242162. Its totient is φ = 10242160.

The previous prime is 10242157. The next prime is 10242173. The reversal of 10242161 is 16124201.

10242161 is digitally balanced in base 3, 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., 8667136 + 1575025 = 2944^2 + 1255^2 .

It is an emirp because it is prime and its reverse (16124201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10242161 - 22 = 10242157 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10242101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121080 + 5121081.

It is an arithmetic number, because the mean of its divisors is an integer number (5121081).

Almost surely, 210242161 is an apocalyptic number.

It is an amenable number.

10242161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10242161 is an equidigital number, since it uses as much as digits as its factorization.

10242161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10242161 is about 3200.3376384375. The cubic root of 10242161 is about 217.1686839210.

Adding to 10242161 its reverse (16124201), we get a palindrome (26366362).

The spelling of 10242161 in words is "ten million, two hundred forty-two thousand, one hundred sixty-one".