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52868489 is a prime number
BaseRepresentation
bin1100100110101…
…1010110001001
310200110222221012
43021223112021
5102013242424
65125053305
71211242352
oct311532611
9120428835
1052868489
112792a973
1215857235
13ac50c3b
147042d29
154994b0e
hex326b589

52868489 has 2 divisors, whose sum is σ = 52868490. Its totient is φ = 52868488.

The previous prime is 52868483. The next prime is 52868503. The reversal of 52868489 is 98486825.

52868489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 10942864 = 6475^2 + 3308^2 .

It is a cyclic number.

It is not a de Polignac number, because 52868489 - 220 = 51819913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52868483) 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, 26434244 + 26434245.

It is an arithmetic number, because the mean of its divisors is an integer number (26434245).

Almost surely, 252868489 is an apocalyptic number.

It is an amenable number.

52868489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52868489 is an equidigital number, since it uses as much as digits as its factorization.

52868489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 50.

The square root of 52868489 is about 7271.0720667588. The cubic root of 52868489 is about 375.3176307378.

The spelling of 52868489 in words is "fifty-two million, eight hundred sixty-eight thousand, four hundred eighty-nine".