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103728384 = 283343349
BaseRepresentation
bin1100010111011…
…00010100000000
321020011221121000
412023230110000
5203023302014
614143132000
72366451054
oct613542400
9236157530
10103728384
1153608741
122a8a4000
131864a856
14dac1c64
15918e509
hex62ec500

103728384 has 144 divisors (see below), whose sum is σ = 314776000. Its totient is φ = 33675264.

The previous prime is 103728377. The next prime is 103728403. The reversal of 103728384 is 483827301.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297042 + ... + 297390.

Almost surely, 2103728384 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 103728384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157388000).

103728384 is an abundant number, since it is smaller than the sum of its proper divisors (211047616).

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

103728384 is an equidigital number, since it uses as much as digits as its factorization.

103728384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 103728384 is about 10184.7132507499. The cubic root of 103728384 is about 469.8571831049.

The spelling of 103728384 in words is "one hundred three million, seven hundred twenty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 48 54 64 72 86 96 108 128 129 144 172 192 216 256 258 288 344 349 384 387 432 516 576 688 698 768 774 864 1032 1047 1152 1161 1376 1396 1548 1728 2064 2094 2304 2322 2752 2792 3096 3141 3456 4128 4188 4644 5504 5584 6192 6282 6912 8256 8376 9288 9423 11008 11168 12384 12564 15007 16512 16752 18576 18846 22336 24768 25128 30014 33024 33504 37152 37692 44672 45021 49536 50256 60028 67008 74304 75384 89344 90042 99072 100512 120056 134016 135063 148608 150768 180084 201024 240112 268032 270126 297216 301536 360168 402048 405189 480224 540252 603072 720336 804096 810378 960448 1080504 1206144 1440672 1620756 1920896 2161008 2412288 2881344 3241512 3841792 4322016 5762688 6483024 8644032 11525376 12966048 17288064 25932096 34576128 51864192 103728384