Base | Representation |
---|---|
bin | 1101000010010… |
… | …01000011101000 |
3 | 21121202121120101 |
4 | 12201021003220 |
5 | 210443214034 |
6 | 14503435144 |
7 | 2465320000 |
oct | 641110350 |
9 | 247677511 |
10 | 109351144 |
11 | 567a9151 |
12 | 30755ab4 |
13 | 19868c26 |
14 | 10747000 |
15 | 9900514 |
hex | 68490e8 |
109351144 has 40 divisors (see below), whose sum is σ = 239233410. Its totient is φ = 46856544.
The previous prime is 109351133. The next prime is 109351159. The reversal of 109351144 is 441153901.
It can be written as a sum of positive squares in only one way, i.e., 105884100 + 3467044 = 10290^2 + 1862^2 .
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16362 + ... + 22054.
Almost surely, 2109351144 is an apocalyptic number.
109351144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 109351144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119616705).
109351144 is an abundant number, since it is smaller than the sum of its proper divisors (129882266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109351144 is an frugal number, since it uses more digits than its factorization.
109351144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5727 (or 5702 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 109351144 is about 10457.1097345299. The cubic root of 109351144 is about 478.1980237277.
The spelling of 109351144 in words is "one hundred nine million, three hundred fifty-one thousand, one hundred forty-four".
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