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986000000 = 27561729
BaseRepresentation
bin111010110001010…
…010101010000000
32112201022222201112
4322301102222000
54004404000000
6241501222452
733301601366
oct7261225200
92481288645
10986000000
11466631437
12236261a28
13129377a6b
1494d45636
155b868235
hex3ac52a80

986000000 has 224 divisors, whose sum is σ = 2689418700. Its totient is φ = 358400000.

The previous prime is 985999979. The next prime is 986000009. The reversal of 986000000 is 689.

It can be written as a sum of positive squares in 14 ways, for example, as 742889536 + 243110464 = 27256^2 + 15592^2 .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 986000000.

It is not an unprimeable number, because it can be changed into a prime (986000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33999986 + ... + 34000014.

Almost surely, 2986000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 986000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344709350).

986000000 is an abundant number, since it is smaller than the sum of its proper divisors (1703418700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

986000000 is an frugal number, since it uses more digits than its factorization.

986000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 986000000 is about 31400.6369362152. The cubic root of 986000000 is about 995.3113845755.

Adding to 986000000 its reverse (689), we get a palindrome (986000689).

The spelling of 986000000 in words is "nine hundred eighty-six million", and thus it is an aban number.