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4878427 = 1631732
BaseRepresentation
bin10010100111000001011011
3100011211221111
4102213001123
52222102202
6252321151
756315551
oct22470133
910154844
104878427
112832264
1217731b7
13101a658
1490dbd1
156656d7
hex4a705b

4878427 has 6 divisors (see below), whose sum is σ = 4936892. Its totient is φ = 4820472.

The previous prime is 4878397. The next prime is 4878431. The reversal of 4878427 is 7248784.

It is a happy number.

It is not a de Polignac number, because 4878427 - 27 = 4878299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4878427.

It is not an unprimeable number, because it can be changed into a prime (4878527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28113 + ... + 28285.

Almost surely, 24878427 is an apocalyptic number.

4878427 is a deficient number, since it is larger than the sum of its proper divisors (58465).

4878427 is an equidigital number, since it uses as much as digits as its factorization.

4878427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 336 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 4878427 is about 2208.7161429210. The cubic root of 4878427 is about 169.6002950889.

The spelling of 4878427 in words is "four million, eight hundred seventy-eight thousand, four hundred twenty-seven".

Divisors: 1 163 173 28199 29929 4878427