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52199867 is a prime number
BaseRepresentation
bin1100011100100…
…0000110111011
310122020000202102
43013020012323
5101330343432
65102454015
71202456126
oct307100673
9118200672
1052199867
1127513595
121559430b
13aa787c5
146d0b3bd
1548b1962
hex31c81bb

52199867 has 2 divisors, whose sum is σ = 52199868. Its totient is φ = 52199866.

The previous prime is 52199789. The next prime is 52199869. The reversal of 52199867 is 76899125.

52199867 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 a cyclic number.

It is not a de Polignac number, because 52199867 - 28 = 52199611 is a prime.

It is a super-2 number, since 2×521998672 = 5449652229635378, which contains 22 as substring.

Together with 52199869, 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 (52199869) 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, 26099933 + 26099934.

It is an arithmetic number, because the mean of its divisors is an integer number (26099934).

Almost surely, 252199867 is an apocalyptic number.

52199867 is a deficient number, since it is larger than the sum of its proper divisors (1).

52199867 is an equidigital number, since it uses as much as digits as its factorization.

52199867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 47.

The square root of 52199867 is about 7224.9475430622. The cubic root of 52199867 is about 373.7287131570.

The spelling of 52199867 in words is "fifty-two million, one hundred ninety-nine thousand, eight hundred sixty-seven".