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504972642 = 2391619187
BaseRepresentation
bin11110000110010…
…100010101100010
31022012012021020110
4132012110111202
52013233111032
6122035152150
715341124306
oct3606242542
91265167213
10504972642
1123a053469
12121145656
13808065a5
144b0cbd06
152e4eb7cc
hex1e194562

504972642 has 16 divisors (see below), whose sum is σ = 1010165472. Its totient is φ = 168287520.

The previous prime is 504972617. The next prime is 504972647. The reversal of 504972642 is 246279405.

It is a self number, because there is not a number n which added to its sum of digits gives 504972642.

It is not an unprimeable number, because it can be changed into a prime (504972647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50373 + ... + 59559.

It is an arithmetic number, because the mean of its divisors is an integer number (63135342).

Almost surely, 2504972642 is an apocalyptic number.

504972642 is an abundant number, since it is smaller than the sum of its proper divisors (505192830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504972642 is a wasteful number, since it uses less digits than its factorization.

504972642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18353.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 504972642 is about 22471.5963384892. The cubic root of 504972642 is about 796.3230435897.

The spelling of 504972642 in words is "five hundred four million, nine hundred seventy-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 9161 9187 18322 18374 27483 27561 54966 55122 84162107 168324214 252486321 504972642