Base | Representation |
---|---|
bin | 101010001011… |
… | …1001011010110 |
3 | 1112121120010012 |
4 | 1110113023112 |
5 | 21130140110 |
6 | 2110000222 |
7 | 355655210 |
oct | 124271326 |
9 | 45546105 |
10 | 22115030 |
11 | 11535393 |
12 | 74a6072 |
13 | 4774022 |
14 | 2d195b0 |
15 | 1e1c905 |
hex | 15172d6 |
22115030 has 32 divisors (see below), whose sum is σ = 45976896. Its totient is φ = 7501824.
The previous prime is 22114999. The next prime is 22115033. The reversal of 22115030 is 3051122.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 22114996 and 22115014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22115033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5162 + ... + 8418.
It is an arithmetic number, because the mean of its divisors is an integer number (1436778).
Almost surely, 222115030 is an apocalyptic number.
22115030 is an abundant number, since it is smaller than the sum of its proper divisors (23861866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22115030 is a wasteful number, since it uses less digits than its factorization.
22115030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3368.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 22115030 is about 4702.6620120949. The cubic root of 22115030 is about 280.6914458657.
Adding to 22115030 its reverse (3051122), we get a palindrome (25166152).
It can be divided in two parts, 221 and 15030, that added together give a palindrome (15251).
The spelling of 22115030 in words is "twenty-two million, one hundred fifteen thousand, thirty".
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