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4878871 is a prime number
BaseRepresentation
bin10010100111001000010111
3100011212112221
4102213020113
52222110441
6252323211
756320054
oct22471027
910155487
104878871
112832628
121773507
13101a90a
1491002b
156658d1
hex4a7217

4878871 has 2 divisors, whose sum is σ = 4878872. Its totient is φ = 4878870.

The previous prime is 4878869. The next prime is 4878889. The reversal of 4878871 is 1788784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4878871 - 21 = 4878869 is a prime.

Together with 4878869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4878821) 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 as a sum of consecutive naturals, namely, 2439435 + 2439436.

It is an arithmetic number, because the mean of its divisors is an integer number (2439436).

Almost surely, 24878871 is an apocalyptic number.

4878871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878871 is an equidigital number, since it uses as much as digits as its factorization.

4878871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100352, while the sum is 43.

The square root of 4878871 is about 2208.8166515128. The cubic root of 4878871 is about 169.6054402069.

The spelling of 4878871 in words is "four million, eight hundred seventy-eight thousand, eight hundred seventy-one".