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5278865 = 519181307
BaseRepresentation
bin10100001000110010010001
3100221012020112
4110020302101
52322410430
6305051105
762604164
oct24106221
910835215
105278865
112a860a9
121926a95
13112a9b7
149b5adb
156e4195
hex508c91

5278865 has 16 divisors (see below), whose sum is σ = 6726720. Its totient is φ = 3965760.

The previous prime is 5278843. The next prime is 5278877. The reversal of 5278865 is 5688725.

5278865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5278865 - 218 = 5016721 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17042 + ... + 17348.

It is an arithmetic number, because the mean of its divisors is an integer number (420420).

Almost surely, 25278865 is an apocalyptic number.

It is an amenable number.

5278865 is a deficient number, since it is larger than the sum of its proper divisors (1447855).

5278865 is a wasteful number, since it uses less digits than its factorization.

5278865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 134400, while the sum is 41.

The square root of 5278865 is about 2297.5780726670. The cubic root of 5278865 is about 174.1192756856.

The spelling of 5278865 in words is "five million, two hundred seventy-eight thousand, eight hundred sixty-five".

Divisors: 1 5 19 95 181 307 905 1535 3439 5833 17195 29165 55567 277835 1055773 5278865