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52145279 is a prime number
BaseRepresentation
bin1100011011101…
…0110001111111
310122010020212122
43012322301333
5101322122104
65101353155
71202141024
oct306726177
9118106778
1052145279
112748657a
12155687bb
13aa599c4
146cd554b
1548a06be
hex31bac7f

52145279 has 2 divisors, whose sum is σ = 52145280. Its totient is φ = 52145278.

The previous prime is 52145267. The next prime is 52145281. The reversal of 52145279 is 97254125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52145279 - 24 = 52145263 is a prime.

Together with 52145281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52145299) 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, 26072639 + 26072640.

It is an arithmetic number, because the mean of its divisors is an integer number (26072640).

Almost surely, 252145279 is an apocalyptic number.

52145279 is a deficient number, since it is larger than the sum of its proper divisors (1).

52145279 is an equidigital number, since it uses as much as digits as its factorization.

52145279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 52145279 is about 7221.1688112106. The cubic root of 52145279 is about 373.5983921441.

The spelling of 52145279 in words is "fifty-two million, one hundred forty-five thousand, two hundred seventy-nine".