Base | Representation |
---|---|
bin | 1110110011000… |
… | …00010000100000 |
3 | 22122120021012011 |
4 | 13121200100200 |
5 | 223234014430 |
6 | 20152242304 |
7 | 3035025040 |
oct | 731402040 |
9 | 278507164 |
10 | 124126240 |
11 | 6407a977 |
12 | 356a0394 |
13 | 1c9400a4 |
14 | 126b1720 |
15 | ad6d22a |
hex | 7660420 |
124126240 has 144 divisors (see below), whose sum is σ = 354860352. Its totient is φ = 40186368.
The previous prime is 124126237. The next prime is 124126243. The reversal of 124126240 is 42621421.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (124126237) and next prime (124126243).
It is not an unprimeable number, because it can be changed into a prime (124126243) 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, 404167 + ... + 404473.
It is an arithmetic number, because the mean of its divisors is an integer number (2464308).
Almost surely, 2124126240 is an apocalyptic number.
124126240 is a gapful number since it is divisible by the number (10) 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 124126240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177430176).
124126240 is an abundant number, since it is smaller than the sum of its proper divisors (230734112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124126240 is a wasteful number, since it uses less digits than its factorization.
124126240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367 (or 340 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 124126240 is about 11141.1956270411. The cubic root of 124126240 is about 498.8322615637.
Adding to 124126240 its reverse (42621421), we get a palindrome (166747661).
The spelling of 124126240 in words is "one hundred twenty-four million, one hundred twenty-six thousand, two hundred forty".
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