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214145471 is a prime number
BaseRepresentation
bin11001100001110…
…01100110111111
3112220221201100202
430300321212333
5414310123341
633125514115
75210130551
oct1460714677
9486851322
10214145471
11aa974731
125b87293b
133549a9c7
14206254d1
1513c0079b
hexcc399bf

214145471 has 2 divisors, whose sum is σ = 214145472. Its totient is φ = 214145470.

The previous prime is 214145431. The next prime is 214145497. The reversal of 214145471 is 174541412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214145471 - 222 = 209951167 is a prime.

It is a super-3 number, since 3×2141454713 (a number of 26 digits) contains 333 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 (214145401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107072735 + 107072736.

It is an arithmetic number, because the mean of its divisors is an integer number (107072736).

Almost surely, 2214145471 is an apocalyptic number.

214145471 is a deficient number, since it is larger than the sum of its proper divisors (1).

214145471 is an equidigital number, since it uses as much as digits as its factorization.

214145471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 214145471 is about 14633.7100900626. The cubic root of 214145471 is about 598.2779055652.

Adding to 214145471 its reverse (174541412), we get a palindrome (388686883).

The spelling of 214145471 in words is "two hundred fourteen million, one hundred forty-five thousand, four hundred seventy-one".