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105980668 = 2261434347
BaseRepresentation
bin1100101000100…
…10001011111100
321101102101010221
412110102023330
5204112340133
614303311124
72424551353
oct624221374
9241371127
10105980668
1154906932
122b5ab4a4
1318c58a71
141010a99a
159486a2d
hex65122fc

105980668 has 12 divisors (see below), whose sum is σ = 188507032. Its totient is φ = 52121520.

The previous prime is 105980663. The next prime is 105980671. The reversal of 105980668 is 866089501.

It is a super-2 number, since 2×1059806682 = 22463803979452448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105980663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216930 + ... + 217417.

Almost surely, 2105980668 is an apocalyptic number.

It is an amenable number.

105980668 is a deficient number, since it is larger than the sum of its proper divisors (82526364).

105980668 is a wasteful number, since it uses less digits than its factorization.

105980668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434412 (or 434410 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 105980668 is about 10294.6912532625. The cubic root of 105980668 is about 473.2335765881.

The spelling of 105980668 in words is "one hundred five million, nine hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 4 61 122 244 434347 868694 1737388 26495167 52990334 105980668