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109061808 = 24329471667
BaseRepresentation
bin1101000000000…
…10011010110000
321121012220200020
412200002122300
5210404434213
614453323440
72463003312
oct640023260
9247186606
10109061808
1156620829
1230636580
131979731b
14106ad7b2
159894923
hex68026b0

109061808 has 80 divisors (see below), whose sum is σ = 297838080. Its totient is φ = 34332928.

The previous prime is 109061789. The next prime is 109061819. The reversal of 109061808 is 808160901.

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, 64591 + ... + 66257.

It is an arithmetic number, because the mean of its divisors is an integer number (3722976).

Almost surely, 2109061808 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 109061808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148919040).

109061808 is an abundant number, since it is smaller than the sum of its proper divisors (188776272).

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

109061808 is a wasteful number, since it uses less digits than its factorization.

109061808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 109061808 is about 10443.2661557580. The cubic root of 109061808 is about 477.7758909286.

The spelling of 109061808 in words is "one hundred nine million, sixty-one thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 29 47 48 58 87 94 116 141 174 188 232 282 348 376 464 564 696 752 1128 1363 1392 1667 2256 2726 3334 4089 5001 5452 6668 8178 10002 10904 13336 16356 20004 21808 26672 32712 40008 48343 65424 78349 80016 96686 145029 156698 193372 235047 290058 313396 386744 470094 580116 626792 773488 940188 1160232 1253584 1880376 2272121 2320464 3760752 4544242 6816363 9088484 13632726 18176968 27265452 36353936 54530904 109061808