Base | Representation |
---|---|
bin | 1110110000011… |
… | …11001111010100 |
3 | 22121221101222100 |
4 | 13120033033110 |
5 | 223142410023 |
6 | 20141202100 |
7 | 3032143404 |
oct | 730171724 |
9 | 277841870 |
10 | 123794388 |
11 | 63973613 |
12 | 35560330 |
13 | 1c855023 |
14 | 12626804 |
15 | ad04c43 |
hex | 760f3d4 |
123794388 has 72 divisors (see below), whose sum is σ = 325634400. Its totient is φ = 39606336.
The previous prime is 123794383. The next prime is 123794413. The reversal of 123794388 is 883497321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123794383) 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, 295243 + ... + 295661.
It is an arithmetic number, because the mean of its divisors is an integer number (4522700).
Almost surely, 2123794388 is an apocalyptic number.
123794388 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 123794388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162817200).
123794388 is an abundant number, since it is smaller than the sum of its proper divisors (201840012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123794388 is a wasteful number, since it uses less digits than its factorization.
123794388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 741 (or 736 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 123794388 is about 11126.2926440032. The cubic root of 123794388 is about 498.3873214614.
The spelling of 123794388 in words is "one hundred twenty-three million, seven hundred ninety-four thousand, three hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •