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6428085 = 35428539
BaseRepresentation
bin11000100001010110110101
3110002120200020
4120201112311
53121144320
6345435353
7105431526
oct30412665
913076606
106428085
1136a0574
12219bb59
131440b01
14bd484d
1586e940
hex6215b5

6428085 has 8 divisors (see below), whose sum is σ = 10284960. Its totient is φ = 3428304.

The previous prime is 6428083. The next prime is 6428087. The reversal of 6428085 is 5808246.

It is an interprime number because it is at equal distance from previous prime (6428083) and next prime (6428087).

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

It is not a de Polignac number, because 6428085 - 21 = 6428083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428083) 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 7 ways as a sum of consecutive naturals, for example, 214255 + ... + 214284.

It is an arithmetic number, because the mean of its divisors is an integer number (1285620).

Almost surely, 26428085 is an apocalyptic number.

It is an amenable number.

6428085 is a deficient number, since it is larger than the sum of its proper divisors (3856875).

6428085 is a wasteful number, since it uses less digits than its factorization.

6428085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428547.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 6428085 is about 2535.3668373630. The cubic root of 6428085 is about 185.9347383485.

The spelling of 6428085 in words is "six million, four hundred twenty-eight thousand, eighty-five".

Divisors: 1 3 5 15 428539 1285617 2142695 6428085