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110389109 = 1729312233
BaseRepresentation
bin1101001010001…
…10011101110101
321200201100101112
412211012131311
5211224422414
614542004405
72510202065
oct645063565
9250640345
10110389109
1157347a76
1230b76705
1319b404cc
14109373a5
159a57d3e
hex6946775

110389109 has 24 divisors (see below), whose sum is σ = 125475480. Its totient is φ = 96660480.

The previous prime is 110389091. The next prime is 110389129. The reversal of 110389109 is 901983011.

It can be written as a sum of positive squares in 4 ways, for example, as 16240900 + 94148209 = 4030^2 + 9703^2 .

It is not a de Polignac number, because 110389109 - 212 = 110385013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110389129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473657 + ... + 473889.

It is an arithmetic number, because the mean of its divisors is an integer number (5228145).

Almost surely, 2110389109 is an apocalyptic number.

It is an amenable number.

110389109 is a deficient number, since it is larger than the sum of its proper divisors (15086371).

110389109 is a wasteful number, since it uses less digits than its factorization.

110389109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 110389109 is about 10506.6221498634. The cubic root of 110389109 is about 479.7062858788.

The spelling of 110389109 in words is "one hundred ten million, three hundred eighty-nine thousand, one hundred nine".

Divisors: 1 17 29 31 233 493 527 899 961 3961 6757 7223 15283 16337 27869 114869 122791 209467 223913 473773 3560939 3806521 6493477 110389109