Base | Representation |
---|---|
bin | 11011101010001… |
… | …01110110101110 |
3 | 121011120220120000 |
4 | 31311011312232 |
5 | 433344141142 |
6 | 35005005130 |
7 | 5515102203 |
oct | 1565056656 |
9 | 534526500 |
10 | 232021422 |
11 | 109a74146 |
12 | 658537a6 |
13 | 390b93a9 |
14 | 22b59caa |
15 | 1558214c |
hex | dd45dae |
232021422 has 80 divisors (see below), whose sum is σ = 548646912. Its totient is φ = 73178640.
The previous prime is 232021417. The next prime is 232021451. The reversal of 232021422 is 224120232.
It is a super-3 number, since 3×2320214223 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 232021395 and 232021404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 235543 + ... + 236525.
Almost surely, 2232021422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 232021422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274323456).
232021422 is an abundant number, since it is smaller than the sum of its proper divisors (316625490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
232021422 is a wasteful number, since it uses less digits than its factorization.
232021422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1075 (or 1066 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 232021422 is about 15232.2494070968. The cubic root of 232021422 is about 614.4822769606.
Adding to 232021422 its reverse (224120232), we get a palindrome (456141654).
The spelling of 232021422 in words is "two hundred thirty-two million, twenty-one thousand, four hundred twenty-two".
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