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8504285 = 51819397
BaseRepresentation
bin100000011100…
…001111011101
3121000001200112
4200130033131
54134114120
6502135405
7132166556
oct40341735
917001615
108504285
114889439
122a21565
1319b9b2a
1411b532d
15b2ebc5
hex81c3dd

8504285 has 8 divisors (see below), whose sum is σ = 10262616. Its totient is φ = 6765120.

The previous prime is 8504257. The next prime is 8504291. The reversal of 8504285 is 5824058.

8504285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1138489 + 7365796 = 1067^2 + 2714^2 .

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

It is not a de Polignac number, because 8504285 - 218 = 8242141 is a prime.

It is a super-2 number, since 2×85042852 = 144645726722450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1282827).

Almost surely, 28504285 is an apocalyptic number.

It is an amenable number.

8504285 is a deficient number, since it is larger than the sum of its proper divisors (1758331).

8504285 is a wasteful number, since it uses less digits than its factorization.

8504285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9583.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 8504285 is about 2916.2107262679. The cubic root of 8504285 is about 204.1170432409.

The spelling of 8504285 in words is "eight million, five hundred four thousand, two hundred eighty-five".

Divisors: 1 5 181 905 9397 46985 1700857 8504285