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487136585 = 5132576493
BaseRepresentation
bin11101000010010…
…001110101001001
31020221122002202202
4131002101311021
51444201332320
6120201005545
715033410165
oct3502216511
91227562682
10487136585
1122aa80a21
121171838b5
1379c00100
14489a7ca5
152cb76b75
hex1d091d49

487136585 has 12 divisors (see below), whose sum is σ = 632990412. Its totient is φ = 359731008.

The previous prime is 487136569. The next prime is 487136593. The reversal of 487136585 is 585631784.

It can be written as a sum of positive squares in 6 ways, for example, as 51955264 + 435181321 = 7208^2 + 20861^2 .

It is not a de Polignac number, because 487136585 - 24 = 487136569 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 287402 + ... + 289091.

It is an arithmetic number, because the mean of its divisors is an integer number (52749201).

Almost surely, 2487136585 is an apocalyptic number.

It is an amenable number.

487136585 is a deficient number, since it is larger than the sum of its proper divisors (145853827).

487136585 is a wasteful number, since it uses less digits than its factorization.

487136585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576524 (or 576511 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 487136585 is about 22071.1709023332. The cubic root of 487136585 is about 786.8348413749.

The spelling of 487136585 in words is "four hundred eighty-seven million, one hundred thirty-six thousand, five hundred eighty-five".

Divisors: 1 5 13 65 169 845 576493 2882465 7494409 37472045 97427317 487136585