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109290168 = 23331338921
BaseRepresentation
bin1101000001110…
…10001010111000
321121122111221000
412200322022320
5210434241133
614502245000
72464644141
oct640721270
9247574830
10109290168
1156767359
1230726760
1319847250
141072cac8
1598dc413
hex683a2b8

109290168 has 64 divisors (see below), whose sum is σ = 326944800. Its totient is φ = 33626880.

The previous prime is 109290149. The next prime is 109290211. The reversal of 109290168 is 861092901.

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, 16653 + ... + 22268.

Almost surely, 2109290168 is an apocalyptic number.

109290168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109290168 is an abundant number, since it is smaller than the sum of its proper divisors (217654632).

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

109290168 is a wasteful number, since it uses less digits than its factorization.

109290168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38949 (or 38939 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 109290168 is about 10454.1937996194. The cubic root of 109290168 is about 478.1091235020.

The spelling of 109290168 in words is "one hundred nine million, two hundred ninety thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 216 234 312 351 468 702 936 1404 2808 38921 77842 116763 155684 233526 311368 350289 467052 505973 700578 934104 1011946 1050867 1401156 1517919 2023892 2101734 2802312 3035838 4047784 4203468 4553757 6071676 8406936 9107514 12143352 13661271 18215028 27322542 36430056 54645084 109290168