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14147813 is a prime number
BaseRepresentation
bin110101111110…
…000011100101
3222121210011002
4311332003211
512110212223
61223123045
7231153161
oct65760345
928553132
1014147813
117a93509
1248a3485
132c147b4
141c43ca1
151396e28
hexd7e0e5

14147813 has 2 divisors, whose sum is σ = 14147814. Its totient is φ = 14147812.

The previous prime is 14147807. The next prime is 14147821. The reversal of 14147813 is 31874141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 5841889 = 2882^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 14147813 - 24 = 14147797 is a prime.

It is a super-2 number, since 2×141478132 = 400321225365938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14147803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7073906 + 7073907.

It is an arithmetic number, because the mean of its divisors is an integer number (7073907).

Almost surely, 214147813 is an apocalyptic number.

It is an amenable number.

14147813 is a deficient number, since it is larger than the sum of its proper divisors (1).

14147813 is an equidigital number, since it uses as much as digits as its factorization.

14147813 is an evil number, because the sum of its binary digits is even.

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

The square root of 14147813 is about 3761.3578665158. The cubic root of 14147813 is about 241.8594737723.

The spelling of 14147813 in words is "fourteen million, one hundred forty-seven thousand, eight hundred thirteen".