Base | Representation |
---|---|
bin | 1110100111110… |
… | …11001000000000 |
3 | 22112210221120210 |
4 | 13103323020000 |
5 | 222400212144 |
6 | 20101034120 |
7 | 3016423212 |
oct | 723731000 |
9 | 275727523 |
10 | 122663424 |
11 | 63270934 |
12 | 350b5940 |
13 | 1c54a310 |
14 | 124105b2 |
15 | ab7eab9 |
hex | 74fb200 |
122663424 has 80 divisors (see below), whose sum is σ = 351977472. Its totient is φ = 37736448.
The previous prime is 122663423. The next prime is 122663441. The reversal of 122663424 is 424366221.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 122663391 and 122663400.
It is not an unprimeable number, because it can be changed into a prime (122663423) 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, 16897 + ... + 23039.
Almost surely, 2122663424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122663424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175988736).
122663424 is an abundant number, since it is smaller than the sum of its proper divisors (229314048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122663424 is an equidigital number, since it uses as much as digits as its factorization.
122663424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6177 (or 6161 counting only the distinct ones).
The product of its digits is 13824, while the sum is 30.
The square root of 122663424 is about 11075.3520937260. The cubic root of 122663424 is about 496.8649493319.
The spelling of 122663424 in words is "one hundred twenty-two million, six hundred sixty-three thousand, four hundred twenty-four".
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