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19585241 = 132172401
BaseRepresentation
bin100101010110…
…1100011011001
31100212000220022
41022231203121
520003211431
61535440225
7325320554
oct112554331
940760808
1019585241
1110067755
126686075
134099700
14285b69b
151abd07b
hex12ad8d9

19585241 has 18 divisors (see below), whose sum is σ = 22584762. Its totient is φ = 16972800.

The previous prime is 19585217. The next prime is 19585283. The reversal of 19585241 is 14258591.

It can be written as a sum of positive squares in 9 ways, for example, as 409600 + 19175641 = 640^2 + 4379^2 .

It is not a de Polignac number, because 19585241 - 210 = 19584217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19585541) 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 17 ways as a sum of consecutive naturals, for example, 48641 + ... + 49041.

It is an arithmetic number, because the mean of its divisors is an integer number (1254709).

Almost surely, 219585241 is an apocalyptic number.

It is an amenable number.

19585241 is a deficient number, since it is larger than the sum of its proper divisors (2999521).

19585241 is a wasteful number, since it uses less digits than its factorization.

19585241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 431 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 19585241 is about 4425.5215511847. The cubic root of 19585241 is about 269.5522574592.

The spelling of 19585241 in words is "nineteen million, five hundred eighty-five thousand, two hundred forty-one".

Divisors: 1 13 17 169 221 289 401 2873 3757 5213 6817 48841 67769 88621 115889 1152073 1506557 19585241