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109666093 = 234768091
BaseRepresentation
bin1101000100101…
…01111100101101
321122100121121011
412202111330231
5211033303333
614514305221
72501101135
oct642257455
9248317534
10109666093
11569a3839
1230888211
13199493a4
14107c9ac5
1599639cd
hex6895f2d

109666093 has 4 divisors (see below), whose sum is σ = 114434208. Its totient is φ = 104897980.

The previous prime is 109666049. The next prime is 109666111. The reversal of 109666093 is 390666901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109666093 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109666013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384023 + ... + 2384068.

It is an arithmetic number, because the mean of its divisors is an integer number (28608552).

Almost surely, 2109666093 is an apocalyptic number.

It is an amenable number.

109666093 is a deficient number, since it is larger than the sum of its proper divisors (4768115).

109666093 is an equidigital number, since it uses as much as digits as its factorization.

109666093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768114.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 109666093 is about 10472.1579915507. The cubic root of 109666093 is about 478.6566795863.

The spelling of 109666093 in words is "one hundred nine million, six hundred sixty-six thousand, ninety-three".

Divisors: 1 23 4768091 109666093