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504999641 = 31714792
BaseRepresentation
bin11110000110011…
…010111011011001
31022012020122021102
4132012122323121
52013234442031
6122035521145
715341266106
oct3606327331
91265218242
10504999641
1123a071783
121211591b5
1380815973
144b0d7aad
152e5047cb
hex1e19aed9

504999641 has 12 divisors (see below), whose sum is σ = 529737984. Its totient is φ = 480820200.

The previous prime is 504999589. The next prime is 504999659. The reversal of 504999641 is 146999405.

It is not a de Polignac number, because 504999641 - 214 = 504983257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504999941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054040 + ... + 1054518.

It is an arithmetic number, because the mean of its divisors is an integer number (44144832).

Almost surely, 2504999641 is an apocalyptic number.

It is an amenable number.

504999641 is a deficient number, since it is larger than the sum of its proper divisors (24738343).

504999641 is an frugal number, since it uses more digits than its factorization.

504999641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 504999641 is about 22472.1970665976. The cubic root of 504999641 is about 796.3372354758.

The spelling of 504999641 in words is "five hundred four million, nine hundred ninety-nine thousand, six hundred forty-one".

Divisors: 1 31 71 479 2201 14849 34009 229441 1054279 7112671 16290311 504999641