Base | Representation |
---|---|
bin | 1101000010011… |
… | …11110010000100 |
3 | 21121211000100200 |
4 | 12201033302010 |
5 | 211000104232 |
6 | 14504210500 |
7 | 2465463213 |
oct | 641176204 |
9 | 247730320 |
10 | 109378692 |
11 | 56817915 |
12 | 30769a30 |
13 | 19878627 |
14 | 1075307a |
15 | 990877c |
hex | 684fc84 |
109378692 has 36 divisors (see below), whose sum is σ = 277105920. Its totient is φ = 36377712.
The previous prime is 109378681. The next prime is 109378699. The reversal of 109378692 is 296873901.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (109378699) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14073 + ... + 20415.
Almost surely, 2109378692 is an apocalyptic number.
109378692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
109378692 is an abundant number, since it is smaller than the sum of its proper divisors (167727228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109378692 is a wasteful number, since it uses less digits than its factorization.
With its successor (109378693) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (6827).
109378692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6832 (or 6827 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 109378692 is about 10458.4268415474. The cubic root of 109378692 is about 478.2381766169.
The spelling of 109378692 in words is "one hundred nine million, three hundred seventy-eight thousand, six hundred ninety-two".
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