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105005660 = 225101227229
BaseRepresentation
bin1100100001001…
…00001001011100
321022120211200112
412100210021130
5203340140120
614230345152
72413350644
oct620441134
9238524615
10105005660
1154300341
122b1bb1b8
13189a7036
14dd35524
159342bc5
hex642425c

105005660 has 48 divisors (see below), whose sum is σ = 224652960. Its totient is φ = 41222400.

The previous prime is 105005657. The next prime is 105005713. The reversal of 105005660 is 66500501.

It is a super-2 number, since 2×1050056602 = 22052377264071200, 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 15 ways as a sum of consecutive naturals, for example, 458426 + ... + 458654.

It is an arithmetic number, because the mean of its divisors is an integer number (4680270).

Almost surely, 2105005660 is an apocalyptic number.

105005660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105005660 is an abundant number, since it is smaller than the sum of its proper divisors (119647300).

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

105005660 is a wasteful number, since it uses less digits than its factorization.

105005660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 105005660 is about 10247.2269419585. The cubic root of 105005660 is about 471.7778747517. Note that the first 3 decimals are identical.

The spelling of 105005660 in words is "one hundred five million, five thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 101 202 227 229 404 454 458 505 908 916 1010 1135 1145 2020 2270 2290 4540 4580 22927 23129 45854 46258 51983 91708 92516 103966 114635 115645 207932 229270 231290 259915 458540 462580 519830 1039660 5250283 10500566 21001132 26251415 52502830 105005660