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852505 = 5533217
BaseRepresentation
bin11010000001000011001
31121022102021
43100020121
5204240010
630134441
710150303
oct3201031
91538367
10852505
11532555
12351421
1323b054
14182973
1511c8da
hexd0219

852505 has 8 divisors (see below), whose sum is σ = 1042632. Its totient is φ = 668928.

The previous prime is 852463. The next prime is 852521. The reversal of 852505 is 505258.

It can be written as a sum of positive squares in 4 ways, for example, as 328329 + 524176 = 573^2 + 724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 852505 - 211 = 850457 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (130329).

2852505 is an apocalyptic number.

It is an amenable number.

852505 is a deficient number, since it is larger than the sum of its proper divisors (190127).

852505 is a wasteful number, since it uses less digits than its factorization.

852505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 852505 is about 923.3119732788. The cubic root of 852505 is about 94.8197876288.

The spelling of 852505 in words is "eight hundred fifty-two thousand, five hundred five".

Divisors: 1 5 53 265 3217 16085 170501 852505