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104704128 = 273297937
BaseRepresentation
bin1100011110110…
…10100010000000
321022000112001200
412033122202000
5203301013003
614220101200
72410653564
oct617324200
9238015050
10104704128
1154114841
122b094800
13188cca09
14dc976a4
1592d36a3
hex63da880

104704128 has 96 divisors (see below), whose sum is σ = 304728060. Its totient is φ = 34504704.

The previous prime is 104704091. The next prime is 104704133. The reversal of 104704128 is 821407401.

It can be written as a sum of positive squares in 2 ways, for example, as 95413824 + 9290304 = 9768^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111276 + ... + 112212.

Almost surely, 2104704128 is an apocalyptic number.

104704128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104704128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152364030).

104704128 is an abundant number, since it is smaller than the sum of its proper divisors (200023932).

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

104704128 is an equidigital number, since it uses as much as digits as its factorization.

104704128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 104704128 is about 10232.5035059852. The cubic root of 104704128 is about 471.3258594022.

The spelling of 104704128 in words is "one hundred four million, seven hundred four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 97 128 144 192 194 288 291 384 388 576 582 776 873 937 1152 1164 1552 1746 1874 2328 2811 3104 3492 3748 4656 5622 6208 6984 7496 8433 9312 11244 12416 13968 14992 16866 18624 22488 27936 29984 33732 37248 44976 55872 59968 67464 89952 90889 111744 119936 134928 179904 181778 269856 272667 359808 363556 539712 545334 727112 818001 1079424 1090668 1454224 1636002 2181336 2908448 3272004 4362672 5816896 6544008 8725344 11633792 13088016 17450688 26176032 34901376 52352064 104704128