Base | Representation |
---|---|
bin | 11001001010001… |
… | …011110000111110 |
3 | 1002102020220101110 |
4 | 121022023300332 |
5 | 1331024200110 |
6 | 105515022450 |
7 | 13313535222 |
oct | 3112136076 |
9 | 1072226343 |
10 | 422100030 |
11 | 1a72a0000 |
12 | b943aa26 |
13 | 695ab841 |
14 | 400b8782 |
15 | 270cba20 |
hex | 1928bc3e |
422100030 has 120 divisors (see below), whose sum is σ = 1151443080. Its totient is φ = 99026400.
The previous prime is 422100023. The next prime is 422100031. The reversal of 422100030 is 30001224.
It is a junction number, because it is equal to n+sod(n) for n = 422099979 and 422100015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (422100031) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13616115 + ... + 13616145.
It is an arithmetic number, because the mean of its divisors is an integer number (9595359).
Almost surely, 2422100030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 422100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575721540).
422100030 is an abundant number, since it is smaller than the sum of its proper divisors (729343050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
422100030 is an equidigital number, since it uses as much as digits as its factorization.
422100030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116 (or 52 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 422100030 is about 20545.0731320188. The cubic root of 422100030 is about 750.1333274081.
Adding to 422100030 its reverse (30001224), we get a palindrome (452101254).
The spelling of 422100030 in words is "four hundred twenty-two million, one hundred thousand, thirty".
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