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14007181 is a prime number
BaseRepresentation
bin110101011011…
…101110001101
3222100122020111
4311123232031
512041212211
61220120021
7230026156
oct65335615
928318214
1014007181
1179a7891
124836011
132b95796
141c0892d
15136a421
hexd5bb8d

14007181 has 2 divisors, whose sum is σ = 14007182. Its totient is φ = 14007180.

The previous prime is 14007157. The next prime is 14007187. The reversal of 14007181 is 18170041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13995081 + 12100 = 3741^2 + 110^2 .

It is an emirp because it is prime and its reverse (18170041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14007181 - 29 = 14006669 is a prime.

It is a super-2 number, since 2×140071812 = 392402239133522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14007187) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7003590 + 7003591.

It is an arithmetic number, because the mean of its divisors is an integer number (7003591).

Almost surely, 214007181 is an apocalyptic number.

It is an amenable number.

14007181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14007181 is an equidigital number, since it uses as much as digits as its factorization.

14007181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 14007181 is about 3742.6168652428. The cubic root of 14007181 is about 241.0554270683.

The spelling of 14007181 in words is "fourteen million, seven thousand, one hundred eighty-one".