Base | Representation |
---|---|
bin | 1110110010111… |
… | …10110010110010 |
3 | 22122112221222000 |
4 | 13121132302302 |
5 | 223233321432 |
6 | 20152154430 |
7 | 3035001411 |
oct | 731366262 |
9 | 278487860 |
10 | 124120242 |
11 | 64076414 |
12 | 35698a16 |
13 | 1c93a43c |
14 | 126ad478 |
15 | ad6b57c |
hex | 765ecb2 |
124120242 has 32 divisors (see below), whose sum is σ = 276514560. Its totient is φ = 41269680.
The previous prime is 124120169. The next prime is 124120267. The reversal of 124120242 is 242021421.
124120242 is a `hidden beast` number, since 12 + 412 + 0 + 242 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20608 + ... + 25940.
It is an arithmetic number, because the mean of its divisors is an integer number (8641080).
Almost surely, 2124120242 is an apocalyptic number.
124120242 is an abundant number, since it is smaller than the sum of its proper divisors (152394318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124120242 is a wasteful number, since it uses less digits than its factorization.
124120242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5775 (or 5769 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 124120242 is about 11140.9264426259. The cubic root of 124120242 is about 498.8242266145.
Adding to 124120242 its reverse (242021421), we get a palindrome (366141663).
The spelling of 124120242 in words is "one hundred twenty-four million, one hundred twenty thousand, two hundred forty-two".
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