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5387185 = 52953701
BaseRepresentation
bin10100100011001110110001
3101010200211101
4110203032301
52334342220
6311244401
763535036
oct24431661
911120741
105387185
11304a521
121979701
1311680ab
14a0338d
1571630a
hex5233b1

5387185 has 16 divisors (see below), whose sum is σ = 6823440. Its totient is φ = 4076800.

The previous prime is 5387177. The next prime is 5387189. The reversal of 5387185 is 5817835.

It can be written as a sum of positive squares in 8 ways, for example, as 351649 + 5035536 = 593^2 + 2244^2 .

It is not a de Polignac number, because 5387185 - 23 = 5387177 is a prime.

5387185 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5387189) 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 15 ways as a sum of consecutive naturals, for example, 7335 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (426465).

Almost surely, 25387185 is an apocalyptic number.

It is an amenable number.

5387185 is a deficient number, since it is larger than the sum of its proper divisors (1436255).

5387185 is a wasteful number, since it uses less digits than its factorization.

5387185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its digits is 33600, while the sum is 37.

The square root of 5387185 is about 2321.0310209043. The cubic root of 5387185 is about 175.3021718183.

It can be divided in two parts, 53871 and 85, that added together give a triangular number (53956 = T328).

The spelling of 5387185 in words is "five million, three hundred eighty-seven thousand, one hundred eighty-five".

Divisors: 1 5 29 53 145 265 701 1537 3505 7685 20329 37153 101645 185765 1077437 5387185