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478871479 is a prime number
BaseRepresentation
bin11100100010101…
…111111110110111
31020101002012011201
4130202233332313
51440042341404
6115303513331
714603224522
oct3442577667
91211065151
10478871479
11226346259
12114458847
1378298108
1447855bb9
152c092ca4
hex1c8affb7

478871479 has 2 divisors, whose sum is σ = 478871480. Its totient is φ = 478871478.

The previous prime is 478871467. The next prime is 478871507. The reversal of 478871479 is 974178874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478871479 - 29 = 478870967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478871179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239435739 + 239435740.

It is an arithmetic number, because the mean of its divisors is an integer number (239435740).

Almost surely, 2478871479 is an apocalyptic number.

478871479 is a deficient number, since it is larger than the sum of its proper divisors (1).

478871479 is an equidigital number, since it uses as much as digits as its factorization.

478871479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 55.

The square root of 478871479 is about 21883.1322940753. The cubic root of 478871479 is about 782.3594341715.

It can be divided in two parts, 4788 and 71479, that added together give a palindrome (76267).

The spelling of 478871479 in words is "four hundred seventy-eight million, eight hundred seventy-one thousand, four hundred seventy-nine".