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105807086 = 27111936161
BaseRepresentation
bin1100100111001…
…11110011101110
321101002120000222
412103213303232
5204041311321
614255451342
72423226320
oct623476356
9241076028
10105807086
11547a8480
122b526b52
1318bc7a58
14100a3610
1594503ab
hex64e7cee

105807086 has 32 divisors (see below), whose sum is σ = 208293120. Its totient is φ = 39052800.

The previous prime is 105807077. The next prime is 105807089. The reversal of 105807086 is 680708501.

It is a happy number.

It is a super-2 number, since 2×1058070862 = 22390278895622792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105807089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15155 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (6509160).

Almost surely, 2105807086 is an apocalyptic number.

105807086 is a deficient number, since it is larger than the sum of its proper divisors (102486034).

105807086 is a wasteful number, since it uses less digits than its factorization.

105807086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36200.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 105807086 is about 10286.2571424207. The cubic root of 105807086 is about 472.9750712070.

The spelling of 105807086 in words is "one hundred five million, eight hundred seven thousand, eighty-six".

Divisors: 1 2 7 11 14 19 22 38 77 133 154 209 266 418 1463 2926 36161 72322 253127 397771 506254 687059 795542 1374118 2784397 4809413 5568794 7557649 9618826 15115298 52903543 105807086