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109043 = 1123431
BaseRepresentation
bin11010100111110011
312112120122
4122213303
511442133
62200455
7632624
oct324763
9175518
10109043
1174a20
125312b
133a82c
142ba4b
1522498
hex1a9f3

109043 has 8 divisors (see below), whose sum is σ = 124416. Its totient is φ = 94600.

The previous prime is 109037. The next prime is 109049. The reversal of 109043 is 340901.

It is an interprime number because it is at equal distance from previous prime (109037) and next prime (109049).

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

It is not a de Polignac number, because 109043 - 212 = 104947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2109043 is an apocalyptic number.

109043 is a deficient number, since it is larger than the sum of its proper divisors (15373).

109043 is a wasteful number, since it uses less digits than its factorization.

109043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 109043 is about 330.2165955854. The cubic root of 109043 is about 47.7748424774.

Adding to 109043 its reverse (340901), we get a palindrome (449944).

The spelling of 109043 in words is "one hundred nine thousand, forty-three".

Divisors: 1 11 23 253 431 4741 9913 109043