Base | Representation |
---|---|
bin | 1110110101010… |
… | …11011100101100 |
3 | 22200010220122211 |
4 | 13122223130230 |
5 | 223323343340 |
6 | 20203020204 |
7 | 3040446661 |
oct | 732533454 |
9 | 280126584 |
10 | 124434220 |
11 | 642702a9 |
12 | 3580a664 |
13 | 1ca1a321 |
14 | 12751a68 |
15 | adce5ea |
hex | 76ab72c |
124434220 has 24 divisors (see below), whose sum is σ = 276683904. Its totient is φ = 46845696.
The previous prime is 124434151. The next prime is 124434227. The reversal of 124434220 is 22434421.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 124434191 and 124434200.
It is not an unprimeable number, because it can be changed into a prime (124434227) 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, 182652 + ... + 183331.
It is an arithmetic number, because the mean of its divisors is an integer number (11528496).
Almost surely, 2124434220 is an apocalyptic number.
124434220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
124434220 is an abundant number, since it is smaller than the sum of its proper divisors (152249684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124434220 is a wasteful number, since it uses less digits than its factorization.
124434220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366009 (or 366007 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 124434220 is about 11155.0087404717. The cubic root of 124434220 is about 499.2444856378.
Adding to 124434220 its reverse (22434421), we get a palindrome (146868641).
The spelling of 124434220 in words is "one hundred twenty-four million, four hundred thirty-four thousand, two hundred twenty".
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