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34142891 is a prime number
BaseRepresentation
bin1000001000111…
…1101010101011
32101020122020112
42002033222223
532220033031
63215444535
7563131646
oct202175253
971218215
1034142891
1118300072
12b52674b
1370c58c3
14476aa5d
152ee662b
hex208faab

34142891 has 2 divisors, whose sum is σ = 34142892. Its totient is φ = 34142890.

The previous prime is 34142881. The next prime is 34142893. The reversal of 34142891 is 19824143.

It is a happy number.

34142891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19824143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34142891 - 26 = 34142827 is a prime.

Together with 34142893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34142893) 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, 17071445 + 17071446.

It is an arithmetic number, because the mean of its divisors is an integer number (17071446).

Almost surely, 234142891 is an apocalyptic number.

34142891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34142891 is an equidigital number, since it uses as much as digits as its factorization.

34142891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 34142891 is about 5843.1918503503. The cubic root of 34142891 is about 324.4143805109.

The spelling of 34142891 in words is "thirty-four million, one hundred forty-two thousand, eight hundred ninety-one".