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14057287 is a prime number
BaseRepresentation
bin110101100111…
…111101000111
3222110011222021
4311213331013
512044313122
61221144011
7230325226
oct65477507
928404867
1014057287
117a314a2
12485b007
132bb252a
141c1ccbd
15137a1c7
hexd67f47

14057287 has 2 divisors, whose sum is σ = 14057288. Its totient is φ = 14057286.

The previous prime is 14057269. The next prime is 14057297. The reversal of 14057287 is 78275041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14057287 - 219 = 13532999 is a prime.

It is a super-3 number, since 3×140572873 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14057227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7028643 + 7028644.

It is an arithmetic number, because the mean of its divisors is an integer number (7028644).

Almost surely, 214057287 is an apocalyptic number.

14057287 is a deficient number, since it is larger than the sum of its proper divisors (1).

14057287 is an equidigital number, since it uses as much as digits as its factorization.

14057287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 14057287 is about 3749.3048689057. The cubic root of 14057287 is about 241.3425167101.

The spelling of 14057287 in words is "fourteen million, fifty-seven thousand, two hundred eighty-seven".