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105124680 = 23325436791
BaseRepresentation
bin1100100010000…
…01001101001000
321022210212221200
412101001031020
5203402442210
614233104200
72414354643
oct621011510
9238725850
10105124680
1154381801
122b258060
1318a1926b
14dd66a5a
1593680c0
hex6441348

105124680 has 96 divisors (see below), whose sum is σ = 349652160. Its totient is φ = 27377280.

The previous prime is 105124673. The next prime is 105124699. The reversal of 105124680 is 86421501.

It is a super-2 number, since 2×1051246802 = 22102396690204800, which contains 22 as substring.

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, 12085 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (3642210).

Almost surely, 2105124680 is an apocalyptic number.

105124680 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 105124680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174826080).

105124680 is an abundant number, since it is smaller than the sum of its proper divisors (244527480).

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

105124680 is a wasteful number, since it uses less digits than its factorization.

105124680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 105124680 is about 10253.0327220779. The cubic root of 105124680 is about 471.9560549913.

The spelling of 105124680 in words is "one hundred five million, one hundred twenty-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 43 45 60 72 86 90 120 129 172 180 215 258 344 360 387 430 516 645 774 860 1032 1290 1548 1720 1935 2580 3096 3870 5160 6791 7740 13582 15480 20373 27164 33955 40746 54328 61119 67910 81492 101865 122238 135820 162984 203730 244476 271640 292013 305595 407460 488952 584026 611190 814920 876039 1168052 1222380 1460065 1752078 2336104 2444760 2628117 2920130 3504156 4380195 5256234 5840260 7008312 8760390 10512468 11680520 13140585 17520780 21024936 26281170 35041560 52562340 105124680