Base | Representation |
---|---|
bin | 1110110101010… |
… | …00010001111010 |
3 | 22200010020212011 |
4 | 13122220101322 |
5 | 223322434432 |
6 | 20202440134 |
7 | 3040364101 |
oct | 732502172 |
9 | 280106764 |
10 | 124421242 |
11 | 64261580 |
12 | 3580304a |
13 | 1ca1444a |
14 | 1274b038 |
15 | adca847 |
hex | 76a847a |
124421242 has 8 divisors (see below), whose sum is σ = 203598432. Its totient is φ = 56555100.
The previous prime is 124421239. The next prime is 124421243. The reversal of 124421242 is 242124421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5655511 = 124421242 / (1 + 2 + 4 + 4 + 2 + 1 + 2 + 4 + 2).
It is not an unprimeable number, because it can be changed into a prime (124421243) 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, 2827734 + ... + 2827777.
It is an arithmetic number, because the mean of its divisors is an integer number (25449804).
Almost surely, 2124421242 is an apocalyptic number.
124421242 is a deficient number, since it is larger than the sum of its proper divisors (79177190).
124421242 is a wasteful number, since it uses less digits than its factorization.
124421242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5655524.
The product of its digits is 1024, while the sum is 22.
The square root of 124421242 is about 11154.4270135225. The cubic root of 124421242 is about 499.2271286219.
Adding to 124421242 its reverse (242124421), we get a palindrome (366545663).
The spelling of 124421242 in words is "one hundred twenty-four million, four hundred twenty-one thousand, two hundred forty-two".
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