Search a number
-
+
105331680 = 25325193379
BaseRepresentation
bin1100100011100…
…11101111100000
321100012101220100
412101303233200
5203431103210
614241342400
72416206306
oct621635740
9240171810
10105331680
1154503283
122b337a00
1318a8c54c
14ddbc276
1593a95c0
hex6473be0

105331680 has 144 divisors (see below), whose sum is σ = 362260080. Its totient is φ = 27869184.

The previous prime is 105331669. The next prime is 105331753. The reversal of 105331680 is 86133501.

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

It is a super-2 number, since 2×1053316802 = 22189525623244800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277731 + ... + 278109.

It is an arithmetic number, because the mean of its divisors is an integer number (2515695).

Almost surely, 2105331680 is an apocalyptic number.

105331680 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 105331680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181130040).

105331680 is an abundant number, since it is smaller than the sum of its proper divisors (256928400).

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

105331680 is a wasteful number, since it uses less digits than its factorization.

105331680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 105331680 is about 10263.1223319222. The cubic root of 105331680 is about 472.2656266037.

The spelling of 105331680 in words is "one hundred five million, three hundred thirty-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 193 240 288 360 379 386 480 579 720 758 772 965 1137 1158 1440 1516 1544 1737 1895 1930 2274 2316 2895 3032 3088 3411 3474 3790 3860 4548 4632 5685 5790 6064 6176 6822 6948 7580 7720 8685 9096 9264 11370 11580 12128 13644 13896 15160 15440 17055 17370 18192 18528 22740 23160 27288 27792 30320 30880 34110 34740 36384 45480 46320 54576 55584 60640 68220 69480 73147 90960 92640 109152 136440 138960 146294 181920 219441 272880 277920 292588 365735 438882 545760 585176 658323 731470 877764 1097205 1170352 1316646 1462940 1755528 2194410 2340704 2633292 2925880 3291615 3511056 4388820 5266584 5851760 6583230 7022112 8777640 10533168 11703520 13166460 17555280 21066336 26332920 35110560 52665840 105331680