Base | Representation |
---|---|
bin | 1110101010100… |
… | …10010010000110 |
3 | 22120111002021221 |
4 | 13111102102012 |
5 | 222443123142 |
6 | 20112430554 |
7 | 3022441060 |
oct | 725222206 |
9 | 276432257 |
10 | 123020422 |
11 | 63495078 |
12 | 3524845a |
13 | 1c643965 |
14 | 124a4730 |
15 | ac00767 |
hex | 7552486 |
123020422 has 32 divisors (see below), whose sum is σ = 223202304. Its totient is φ = 49711200.
The previous prime is 123020413. The next prime is 123020423. The reversal of 123020422 is 224020321.
It is a junction number, because it is equal to n+sod(n) for n = 123020396 and 123020405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123020423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20172 + ... + 25552.
It is an arithmetic number, because the mean of its divisors is an integer number (6975072).
Almost surely, 2123020422 is an apocalyptic number.
123020422 is a deficient number, since it is larger than the sum of its proper divisors (100181882).
123020422 is a wasteful number, since it uses less digits than its factorization.
123020422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5484.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 123020422 is about 11091.4571630602. The cubic root of 123020422 is about 497.3465055118.
Adding to 123020422 its reverse (224020321), we get a palindrome (347040743).
The spelling of 123020422 in words is "one hundred twenty-three million, twenty thousand, four hundred twenty-two".
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