Base | Representation |
---|---|
bin | 1110110001111… |
… | …01010100000000 |
3 | 22122021222211211 |
4 | 13120331110000 |
5 | 223214424404 |
6 | 20145215504 |
7 | 3033560530 |
oct | 730752400 |
9 | 278258754 |
10 | 123983104 |
11 | 63a92383 |
12 | 35631594 |
13 | 1c8bcbab |
14 | 126754c0 |
15 | ad40b04 |
hex | 763d500 |
123983104 has 72 divisors (see below), whose sum is σ = 289593920. Its totient is φ = 51867648.
The previous prime is 123983099. The next prime is 123983107. The reversal of 123983104 is 401389321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123983107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76252 + ... + 77860.
Almost surely, 2123983104 is an apocalyptic number.
123983104 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 123983104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144796960).
123983104 is an abundant number, since it is smaller than the sum of its proper divisors (165610816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123983104 is an equidigital number, since it uses as much as digits as its factorization.
123983104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1675 (or 1661 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 123983104 is about 11134.7700470194. The cubic root of 123983104 is about 498.6404452390.
The spelling of 123983104 in words is "one hundred twenty-three million, nine hundred eighty-three thousand, one hundred four".
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