Base | Representation |
---|---|
bin | 1110110011000… |
… | …00101100011000 |
3 | 22122120100122020 |
4 | 13121200230120 |
5 | 223234044044 |
6 | 20152254440 |
7 | 3035033166 |
oct | 731405430 |
9 | 278510566 |
10 | 124128024 |
11 | 64081249 |
12 | 356a1420 |
13 | 1c940b47 |
14 | 126b2236 |
15 | ad6da19 |
hex | 7660b18 |
124128024 has 16 divisors (see below), whose sum is σ = 310320120. Its totient is φ = 41376000.
The previous prime is 124128023. The next prime is 124128031. The reversal of 124128024 is 420821421.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5172001 = 124128024 / (1 + 2 + 4 + 1 + 2 + 8 + 0 + 2 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 124127985 and 124128003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124128023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585977 + ... + 2586024.
Almost surely, 2124128024 is an apocalyptic number.
It is an amenable number.
124128024 is an abundant number, since it is smaller than the sum of its proper divisors (186192096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124128024 is a wasteful number, since it uses less digits than its factorization.
124128024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5172010 (or 5172006 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 124128024 is about 11141.2756899737. The cubic root of 124128024 is about 498.8346513686.
Adding to 124128024 its reverse (420821421), we get a palindrome (544949445).
The spelling of 124128024 in words is "one hundred twenty-four million, one hundred twenty-eight thousand, twenty-four".
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