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105050660 = 2251113231597
BaseRepresentation
bin1100100001011…
…11001000100100
321022200010102012
412100233020210
5203343110120
614231333352
72413626101
oct620571044
9238603365
10105050660
1154331130
122b221258
13189c1670
14dd47aa8
1593511c5
hex642f224

105050660 has 96 divisors (see below), whose sum is σ = 270611712. Its totient is φ = 33707520.

The previous prime is 105050653. The next prime is 105050663. The reversal of 105050660 is 66050501.

It is a super-2 number, since 2×1050506602 = 22071282332871200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (105050663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64982 + ... + 66578.

It is an arithmetic number, because the mean of its divisors is an integer number (2818872).

Almost surely, 2105050660 is an apocalyptic number.

105050660 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 105050660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135305856).

105050660 is an abundant number, since it is smaller than the sum of its proper divisors (165561052).

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

105050660 is a wasteful number, since it uses less digits than its factorization.

105050660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

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

The square root of 105050660 is about 10249.4224227514. The cubic root of 105050660 is about 471.8452583333.

The spelling of 105050660 in words is "one hundred five million, fifty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 13 20 22 23 26 44 46 52 55 65 92 110 115 130 143 220 230 253 260 286 299 460 506 572 598 715 1012 1196 1265 1430 1495 1597 2530 2860 2990 3194 3289 5060 5980 6388 6578 7985 13156 15970 16445 17567 20761 31940 32890 35134 36731 41522 65780 70268 73462 83044 87835 103805 146924 175670 183655 207610 228371 351340 367310 404041 415220 456742 477503 734620 808082 913484 955006 1141855 1616164 1910012 2020205 2283710 2387515 4040410 4567420 4775030 5252533 8080820 9550060 10505066 21010132 26262665 52525330 105050660