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107181880 = 235133161109
BaseRepresentation
bin1100110001101…
…11011100111000
321110200101220021
412120313130320
5204414310010
614345140224
72441013421
oct630673470
9243611807
10107181880
1155557373
122ba8a674
1319289740
1410340648
1596228da
hex6637738

107181880 has 128 divisors (see below), whose sum is σ = 274982400. Its totient is φ = 37324800.

The previous prime is 107181871. The next prime is 107181887. The reversal of 107181880 is 88181701.

It is a super-2 number, since 2×1071818802 = 22975910800668800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107181887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983266 + ... + 983374.

It is an arithmetic number, because the mean of its divisors is an integer number (2148300).

Almost surely, 2107181880 is an apocalyptic number.

107181880 is a gapful number since it is divisible by the number (10) 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 107181880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137491200).

107181880 is an abundant number, since it is smaller than the sum of its proper divisors (167800520).

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

107181880 is a wasteful number, since it uses less digits than its factorization.

107181880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 34.

The square root of 107181880 is about 10352.8682016145. The cubic root of 107181880 is about 475.0147807035.

The spelling of 107181880 in words is "one hundred seven million, one hundred eighty-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 31 40 52 61 62 65 104 109 122 124 130 155 218 244 248 260 305 310 403 436 488 520 545 610 620 793 806 872 1090 1220 1240 1417 1586 1612 1891 2015 2180 2440 2834 3172 3224 3379 3782 3965 4030 4360 5668 6344 6649 6758 7085 7564 7930 8060 9455 11336 13298 13516 14170 15128 15860 16120 16895 18910 24583 26596 27032 28340 31720 33245 33790 37820 43927 49166 53192 56680 66490 67580 75640 86437 87854 98332 122915 132980 135160 172874 175708 196664 206119 219635 245830 265960 345748 351416 412238 432185 439270 491660 691496 824476 864370 878540 983320 1030595 1648952 1728740 1757080 2061190 2679547 3457480 4122380 5359094 8244760 10718188 13397735 21436376 26795470 53590940 107181880