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52871585 = 51319311381
BaseRepresentation
bin1100100110110…
…0000110100001
310200111011011212
43021230012201
5102013342320
65125115505
71211254364
oct311540641
9120434155
1052871585
1127932228
1215858b95
13ac52480
1470440db
1549959c5
hex326c1a1

52871585 has 32 divisors (see below), whose sum is σ = 74296320. Its totient is φ = 35769600.

The previous prime is 52871563. The next prime is 52871587. The reversal of 52871585 is 58517825.

It is not a de Polignac number, because 52871585 - 222 = 48677281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52871587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37595 + ... + 38975.

It is an arithmetic number, because the mean of its divisors is an integer number (2321760).

Almost surely, 252871585 is an apocalyptic number.

It is an amenable number.

52871585 is a deficient number, since it is larger than the sum of its proper divisors (21424735).

52871585 is a wasteful number, since it uses less digits than its factorization.

52871585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its digits is 112000, while the sum is 41.

The square root of 52871585 is about 7271.2849620958. The cubic root of 52871585 is about 375.3249568453.

The spelling of 52871585 in words is "fifty-two million, eight hundred seventy-one thousand, five hundred eighty-five".

Divisors: 1 5 13 19 31 65 95 155 247 403 589 1235 1381 2015 2945 6905 7657 17953 26239 38285 42811 89765 131195 214055 341107 556543 813409 1705535 2782715 4067045 10574317 52871585