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52171349 is a prime number
BaseRepresentation
bin1100011100000…
…1001001010101
310122011120122012
43013001021111
5101323440344
65102114005
71202310026
oct307011125
9118146565
1052171349
11274a411a
121557b905
13aa68829
146d00c4d
1548a829e
hex31c1255

52171349 has 2 divisors, whose sum is σ = 52171350. Its totient is φ = 52171348.

The previous prime is 52171331. The next prime is 52171367. The reversal of 52171349 is 94317125.

It is a balanced prime because it is at equal distance from previous prime (52171331) and next prime (52171367).

It can be written as a sum of positive squares in only one way, i.e., 47018449 + 5152900 = 6857^2 + 2270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52171349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52171849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26085674 + 26085675.

It is an arithmetic number, because the mean of its divisors is an integer number (26085675).

Almost surely, 252171349 is an apocalyptic number.

It is an amenable number.

52171349 is a deficient number, since it is larger than the sum of its proper divisors (1).

52171349 is an equidigital number, since it uses as much as digits as its factorization.

52171349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 52171349 is about 7222.9736950926. The cubic root of 52171349 is about 373.6606418665.

The spelling of 52171349 in words is "fifty-two million, one hundred seventy-one thousand, three hundred forty-nine".