Base | Representation |
---|---|
bin | 101010011011… |
… | …0101100100010 |
3 | 1112212010012200 |
4 | 1110312230202 |
5 | 21143303010 |
6 | 2112434030 |
7 | 360033456 |
oct | 124665442 |
9 | 45763180 |
10 | 22244130 |
11 | 11613387 |
12 | 7548916 |
13 | 47baa0c |
14 | 2d50666 |
15 | 1e45cc0 |
hex | 1536b22 |
22244130 has 48 divisors (see below), whose sum is σ = 58069440. Its totient is φ = 5907744.
The previous prime is 22244129. The next prime is 22244147. The reversal of 22244130 is 3144222.
22244130 is a `hidden beast` number, since 222 + 441 + 3 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39229 + ... + 39791.
It is an arithmetic number, because the mean of its divisors is an integer number (1209780).
Almost surely, 222244130 is an apocalyptic number.
22244130 is an abundant number, since it is smaller than the sum of its proper divisors (35825310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22244130 is a wasteful number, since it uses less digits than its factorization.
22244130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1015 (or 1012 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 22244130 is about 4716.3683062289. The cubic root of 22244130 is about 281.2365801004.
Adding to 22244130 its reverse (3144222), we get a palindrome (25388352).
The spelling of 22244130 in words is "twenty-two million, two hundred forty-four thousand, one hundred thirty".
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