Base | Representation |
---|---|
bin | 101010001100… |
… | …0011110101000 |
3 | 1112121211102121 |
4 | 1110120132220 |
5 | 21130322420 |
6 | 2110041024 |
7 | 356006563 |
oct | 124303650 |
9 | 45554377 |
10 | 22120360 |
11 | 11539399 |
12 | 74a9174 |
13 | 4776592 |
14 | 2d1b4da |
15 | 1e1e2aa |
hex | 15187a8 |
22120360 has 32 divisors (see below), whose sum is σ = 51379200. Its totient is φ = 8562240.
The previous prime is 22120337. The next prime is 22120367. The reversal of 22120360 is 6302122.
It is not an unprimeable number, because it can be changed into a prime (22120367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7680 + ... + 10159.
It is an arithmetic number, because the mean of its divisors is an integer number (1605600).
Almost surely, 222120360 is an apocalyptic number.
22120360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22120360 is an abundant number, since it is smaller than the sum of its proper divisors (29258840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22120360 is a wasteful number, since it uses less digits than its factorization.
22120360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17881 (or 17877 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 22120360 is about 4703.2286782592. The cubic root of 22120360 is about 280.7139941090.
Adding to 22120360 its reverse (6302122), we get a palindrome (28422482).
The spelling of 22120360 in words is "twenty-two million, one hundred twenty thousand, three hundred sixty".
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