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989147000 = 23534492203
BaseRepresentation
bin111010111101010…
…010111101111000
32112221020212121002
4322331102331320
54011210201000
6242052504132
733340416332
oct7275227570
92487225532
10989147000
11468390866
1223731b048
13129c0a2aa
1495524452
155bc8a8d5
hex3af52f78

989147000 has 64 divisors (see below), whose sum is σ = 2320812000. Its totient is φ = 394598400.

The previous prime is 989146999. The next prime is 989147069. The reversal of 989147000 is 741989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447899 + ... + 450101.

Almost surely, 2989147000 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 989147000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160406000).

989147000 is an abundant number, since it is smaller than the sum of its proper divisors (1331665000).

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

989147000 is a wasteful number, since it uses less digits than its factorization.

989147000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 989147000 is about 31450.7074642209. The cubic root of 989147000 is about 996.3691663353.

Adding to 989147000 its reverse (741989), we get a palindrome (989888989).

The spelling of 989147000 in words is "nine hundred eighty-nine million, one hundred forty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 449 500 898 1000 1796 2203 2245 3592 4406 4490 8812 8980 11015 11225 17624 17960 22030 22450 44060 44900 55075 56125 88120 89800 110150 112250 220300 224500 275375 440600 449000 550750 989147 1101500 1978294 2203000 3956588 4945735 7913176 9891470 19782940 24728675 39565880 49457350 98914700 123643375 197829400 247286750 494573500 989147000