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14137481 is a prime number
BaseRepresentation
bin110101111011…
…100010001001
3222121020222102
4311323202021
512104344411
61223003145
7231111101
oct65734211
928536872
1014137481
117a86776
1248994b5
132c0cb97
141c40201
151393d3b
hexd7b889

14137481 has 2 divisors, whose sum is σ = 14137482. Its totient is φ = 14137480.

The previous prime is 14137423. The next prime is 14137499. The reversal of 14137481 is 18473141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 2611456 = 3395^2 + 1616^2 .

It is an emirp because it is prime and its reverse (18473141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14137481 is a prime.

It is a super-2 number, since 2×141374812 = 399736738050722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14137381) 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, 7068740 + 7068741.

It is an arithmetic number, because the mean of its divisors is an integer number (7068741).

Almost surely, 214137481 is an apocalyptic number.

It is an amenable number.

14137481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14137481 is an equidigital number, since it uses as much as digits as its factorization.

14137481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 14137481 is about 3759.9841754986. The cubic root of 14137481 is about 241.8005836189.

The spelling of 14137481 in words is "fourteen million, one hundred thirty-seven thousand, four hundred eighty-one".