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15164161 is a prime number
BaseRepresentation
bin111001110110…
…001100000001
31001112102022121
4321312030001
512340223121
61301004241
7242615245
oct71661401
931472277
1015164161
118618071
1250b3681
1331ac29c
14202a425
1514e8141
hexe76301

15164161 has 2 divisors, whose sum is σ = 15164162. Its totient is φ = 15164160.

The previous prime is 15164141. The next prime is 15164179. The reversal of 15164161 is 16146151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 6426225 = 2956^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 15164161 - 213 = 15155969 is a prime.

It is not a weakly prime, because it can be changed into another prime (15164141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7582080 + 7582081.

It is an arithmetic number, because the mean of its divisors is an integer number (7582081).

Almost surely, 215164161 is an apocalyptic number.

It is an amenable number.

15164161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15164161 is an equidigital number, since it uses as much as digits as its factorization.

15164161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 15164161 is about 3894.1187706592. The cubic root of 15164161 is about 247.5176248375.

The spelling of 15164161 in words is "fifteen million, one hundred sixty-four thousand, one hundred sixty-one".