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986802085 = 5445744281
BaseRepresentation
bin111010110100010…
…110011110100101
32112202211201222101
4322310112132211
54010110131320
6241530332101
733311452003
oct7264263645
92482751871
10986802085
1146702a015
1223658a031
13129598b79
14950b3a73
155b975c0a
hex3ad167a5

986802085 has 8 divisors (see below), whose sum is σ = 1184454936. Its totient is φ = 789246720.

The previous prime is 986802079. The next prime is 986802127. The reversal of 986802085 is 580208689.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72284004 + 914518081 = 8502^2 + 30241^2 .

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

It is not a de Polignac number, because 986802085 - 29 = 986801573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 44425.

It is an arithmetic number, because the mean of its divisors is an integer number (148056867).

Almost surely, 2986802085 is an apocalyptic number.

It is an amenable number.

986802085 is a deficient number, since it is larger than the sum of its proper divisors (197652851).

986802085 is a wasteful number, since it uses less digits than its factorization.

986802085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48743.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 986802085 is about 31413.4061349609. The cubic root of 986802085 is about 995.5811979487.

The spelling of 986802085 in words is "nine hundred eighty-six million, eight hundred two thousand, eighty-five".

Divisors: 1 5 4457 22285 44281 221405 197360417 986802085