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984985361 = 6117393337
BaseRepresentation
bin111010101101011…
…010111100010001
32112122102102220022
4322231122330101
54004124012421
6241423353225
733260144303
oct7255327421
92478372808
10984985361
11465aa9098
12235a52815
131290b0c99
1494b5d973
155b7177ab
hex3ab5af11

984985361 has 8 divisors (see below), whose sum is σ = 1006930344. Its totient is φ = 963227520.

The previous prime is 984985349. The next prime is 984985363. The reversal of 984985361 is 163589489.

It can be written as a sum of positive squares in 4 ways, for example, as 75359761 + 909625600 = 8681^2 + 30160^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 984985361 - 210 = 984984337 is a prime.

It is a super-2 number, since 2×9849853612 = 1940392322768600642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984985363) by changing a digit.

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, 36116 + ... + 57221.

It is an arithmetic number, because the mean of its divisors is an integer number (125866293).

Almost surely, 2984985361 is an apocalyptic number.

It is an amenable number.

984985361 is a deficient number, since it is larger than the sum of its proper divisors (21944983).

984985361 is a wasteful number, since it uses less digits than its factorization.

984985361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93571.

The product of its digits is 1866240, while the sum is 53.

The square root of 984985361 is about 31384.4764334217. The cubic root of 984985361 is about 994.9698604542.

The spelling of 984985361 in words is "nine hundred eighty-four million, nine hundred eighty-five thousand, three hundred sixty-one".

Divisors: 1 61 173 10553 93337 5693557 16147301 984985361