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83960904 = 23353149443
BaseRepresentation
bin1010000000100…
…10010001001000
312211222122201010
411000102101020
5132443222104
612155323520
72036440656
oct500222110
9184878633
1083960904
1143437085
12241505a0
1314519211
14b217dd6
157587489
hex5012448

83960904 has 64 divisors (see below), whose sum is σ = 215784000. Its totient is φ = 27213056.

The previous prime is 83960869. The next prime is 83960917. The reversal of 83960904 is 40906938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189307 + ... + 189749.

It is an arithmetic number, because the mean of its divisors is an integer number (3371625).

Almost surely, 283960904 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 83960904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107892000).

83960904 is an abundant number, since it is smaller than the sum of its proper divisors (131823096).

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

83960904 is a wasteful number, since it uses less digits than its factorization.

83960904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 83960904 is about 9163.0182800211. The cubic root of 83960904 is about 437.8839583336.

The spelling of 83960904 in words is "eighty-three million, nine hundred sixty thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 53 106 149 159 212 298 318 424 443 447 596 636 886 894 1192 1272 1329 1772 1788 2658 3544 3576 5316 7897 10632 15794 23479 23691 31588 46958 47382 63176 66007 70437 93916 94764 132014 140874 187832 189528 198021 264028 281748 396042 528056 563496 792084 1584168 3498371 6996742 10495113 13993484 20990226 27986968 41980452 83960904