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481285439 is a prime number
BaseRepresentation
bin11100101011111…
…101010100111111
31020112121211111122
4130223331110333
51441202113224
6115431341155
714632600355
oct3453752477
91215554448
10481285439
11227744968
121152217bb
1378931aab
1447cc37d5
152c3bd15e
hex1cafd53f

481285439 has 2 divisors, whose sum is σ = 481285440. Its totient is φ = 481285438.

The previous prime is 481285403. The next prime is 481285463. The reversal of 481285439 is 934582184.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481285439 - 224 = 464508223 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481285439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481285489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240642719 + 240642720.

It is an arithmetic number, because the mean of its divisors is an integer number (240642720).

Almost surely, 2481285439 is an apocalyptic number.

481285439 is a deficient number, since it is larger than the sum of its proper divisors (1).

481285439 is an equidigital number, since it uses as much as digits as its factorization.

481285439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 481285439 is about 21938.2186833845. The cubic root of 481285439 is about 783.6718390717.

The spelling of 481285439 in words is "four hundred eighty-one million, two hundred eighty-five thousand, four hundred thirty-nine".