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52800049 is a prime number
BaseRepresentation
bin1100100101101…
…0101000110001
310200100112001101
43021122220301
5102004100144
65123404401
71210536001
oct311325061
9120315041
1052800049
1127893505
1215823701
13ac28a43
147026001
15497e6d4
hex325aa31

52800049 has 2 divisors, whose sum is σ = 52800050. Its totient is φ = 52800048.

The previous prime is 52800047. The next prime is 52800061. The reversal of 52800049 is 94000825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45319824 + 7480225 = 6732^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 52800049 - 21 = 52800047 is a prime.

Together with 52800047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52800047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26400024 + 26400025.

It is an arithmetic number, because the mean of its divisors is an integer number (26400025).

Almost surely, 252800049 is an apocalyptic number.

It is an amenable number.

52800049 is a deficient number, since it is larger than the sum of its proper divisors (1).

52800049 is an equidigital number, since it uses as much as digits as its factorization.

52800049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 52800049 is about 7266.3642215347. The cubic root of 52800049 is about 375.1556071252.

The spelling of 52800049 in words is "fifty-two million, eight hundred thousand, forty-nine".