Base | Representation |
---|---|
bin | 1100111111010… |
… | …11110111000000 |
3 | 21121001012221000 |
4 | 12133223313000 |
5 | 210344010113 |
6 | 14451332000 |
7 | 2462140032 |
oct | 637536700 |
9 | 247035830 |
10 | 108969408 |
11 | 56568369 |
12 | 305b1000 |
13 | 19764252 |
14 | 10687c52 |
15 | 9877373 |
hex | 67ebdc0 |
108969408 has 112 divisors (see below), whose sum is σ = 337312000. Its totient is φ = 34401024.
The previous prime is 108969397. The next prime is 108969409. The reversal of 108969408 is 804969801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108969409) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31173 + ... + 34491.
Almost surely, 2108969408 is an apocalyptic number.
108969408 is a gapful number since it is divisible by the number (18) 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 108969408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168656000).
108969408 is an abundant number, since it is smaller than the sum of its proper divisors (228342592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108969408 is a wasteful number, since it uses less digits than its factorization.
108969408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3359 (or 3343 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The square root of 108969408 is about 10438.8413150119. The cubic root of 108969408 is about 477.6409247525.
The spelling of 108969408 in words is "one hundred eight million, nine hundred sixty-nine thousand, four hundred eight".
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