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105446666 = 2138945569
BaseRepresentation
bin1100100100011…
…11110100001010
321100102020122002
412102033310022
5203443243131
614244031002
72420165453
oct622176412
9240366562
10105446666
1154581706
122b392462
1318acc9a0
141000c12a
1593cd6cb
hex648fd0a

105446666 has 16 divisors (see below), whose sum is σ = 172254600. Its totient is φ = 48119808.

The previous prime is 105446659. The next prime is 105446683. The reversal of 105446666 is 666644501.

It can be written as a sum of positive squares in 4 ways, for example, as 83083225 + 22363441 = 9115^2 + 4729^2 .

It is a super-2 number, since 2×1054466662 = 22237998741031112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20471 + ... + 25098.

Almost surely, 2105446666 is an apocalyptic number.

105446666 is a deficient number, since it is larger than the sum of its proper divisors (66807934).

105446666 is a wasteful number, since it uses less digits than its factorization.

105446666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45673.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 105446666 is about 10268.7227053806. The cubic root of 105446666 is about 472.4374147017.

The spelling of 105446666 in words is "one hundred five million, four hundred forty-six thousand, six hundred sixty-six".

Divisors: 1 2 13 26 89 178 1157 2314 45569 91138 592397 1184794 4055641 8111282 52723333 105446666