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1028085 = 3568539
BaseRepresentation
bin11111010111111110101
31221020021020
43322333311
5230344320
634011353
711511222
oct3727765
91836236
101028085
11642463
12416b59
1329cc46
141ca949
15154940
hexfaff5

1028085 has 8 divisors (see below), whose sum is σ = 1644960. Its totient is φ = 548304.

The previous prime is 1028081. The next prime is 1028089. The reversal of 1028085 is 5808201.

It is an interprime number because it is at equal distance from previous prime (1028081) and next prime (1028089).

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

It is not a de Polignac number, because 1028085 - 22 = 1028081 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34255 + ... + 34284.

It is an arithmetic number, because the mean of its divisors is an integer number (205620).

21028085 is an apocalyptic number.

1028085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1028085 is a deficient number, since it is larger than the sum of its proper divisors (616875).

1028085 is an equidigital number, since it uses as much as digits as its factorization.

1028085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68547.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1028085 is about 1013.9452647949. The cubic root of 1028085 is about 100.9275368217.

The spelling of 1028085 in words is "one million, twenty-eight thousand, eighty-five".

Divisors: 1 3 5 15 68539 205617 342695 1028085