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106665351 = 3132735009
BaseRepresentation
bin1100101101110…
…01010110000111
321102201011100120
412112321112013
5204301242401
614330113023
72433432462
oct626712607
9242634316
10106665351
1155234291
122b87b773
13191385c0
14102482d9
15956e836
hex65b9587

106665351 has 8 divisors (see below), whose sum is σ = 153160560. Its totient is φ = 65640192.

The previous prime is 106665311. The next prime is 106665367. The reversal of 106665351 is 153566601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106665351 - 211 = 106663303 is a prime.

It is a super-2 number, since 2×1066653512 = 22754994207906402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106665301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367466 + ... + 1367543.

It is an arithmetic number, because the mean of its divisors is an integer number (19145070).

Almost surely, 2106665351 is an apocalyptic number.

106665351 is a deficient number, since it is larger than the sum of its proper divisors (46495209).

106665351 is a wasteful number, since it uses less digits than its factorization.

106665351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735025.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 106665351 is about 10327.8918952514. The cubic root of 106665351 is about 474.2504907215.

The spelling of 106665351 in words is "one hundred six million, six hundred sixty-five thousand, three hundred fifty-one".

Divisors: 1 3 13 39 2735009 8205027 35555117 106665351