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5278787 is a prime number
BaseRepresentation
bin10100001000110001000011
3100221012010122
4110020301003
52322410122
6305050455
762604023
oct24106103
910835118
105278787
112a86038
121926a2b
13112a957
149b5a83
156e4142
hex508c43

5278787 has 2 divisors, whose sum is σ = 5278788. Its totient is φ = 5278786.

The previous prime is 5278771. The next prime is 5278813. The reversal of 5278787 is 7878725.

5278787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5278787 - 24 = 5278771 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (5278727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639393 + 2639394.

It is an arithmetic number, because the mean of its divisors is an integer number (2639394).

Almost surely, 25278787 is an apocalyptic number.

5278787 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278787 is an equidigital number, since it uses as much as digits as its factorization.

5278787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 219520, while the sum is 44.

The square root of 5278787 is about 2297.5610982083. The cubic root of 5278787 is about 174.1184180915.

The spelling of 5278787 in words is "five million, two hundred seventy-eight thousand, seven hundred eighty-seven".