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109689360 = 24351141549
BaseRepresentation
bin1101000100110…
…11101000010000
321122101210111220
412202123220100
5211040024420
614515005040
72501226024
oct642335020
9248353456
10109689360
1156a0a270
1230899780
1319956b61
14107d4384
15996a840
hex689ba10

109689360 has 80 divisors (see below), whose sum is σ = 370958400. Its totient is φ = 26590720.

The previous prime is 109689343. The next prime is 109689361. The reversal of 109689360 is 63986901.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (109689361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18135 + ... + 23414.

It is an arithmetic number, because the mean of its divisors is an integer number (4636980).

Almost surely, 2109689360 is an apocalyptic number.

109689360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109689360 is an abundant number, since it is smaller than the sum of its proper divisors (261269040).

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

109689360 is a wasteful number, since it uses less digits than its factorization.

109689360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41576 (or 41570 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 109689360 is about 10473.2688306946. The cubic root of 109689360 is about 478.6905281446.

The spelling of 109689360 in words is "one hundred nine million, six hundred eighty-nine thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 41549 83098 124647 166196 207745 249294 332392 415490 457039 498588 623235 664784 830980 914078 997176 1246470 1371117 1661960 1828156 1994352 2285195 2492940 2742234 3323920 3656312 4570390 4985880 5484468 6855585 7312624 9140780 9971760 10968936 13711170 18281560 21937872 27422340 36563120 54844680 109689360