Base | Representation |
---|---|
bin | 101010000000… |
… | …1001011011101 |
3 | 1112102222111222 |
4 | 1110001023131 |
5 | 21114244200 |
6 | 2104023125 |
7 | 355131416 |
oct | 124011335 |
9 | 45388458 |
10 | 22024925 |
11 | 1148371a |
12 | 7461aa5 |
13 | 4742000 |
14 | 2cd480d |
15 | 1e00d85 |
hex | 15012dd |
22024925 has 24 divisors (see below), whose sum is σ = 29659560. Its totient is φ = 16224000.
The previous prime is 22024921. The next prime is 22024927. The reversal of 22024925 is 52942022.
It can be written as a sum of positive squares in 12 ways, for example, as 18679684 + 3345241 = 4322^2 + 1829^2 .
It is not a de Polignac number, because 22024925 - 22 = 22024921 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22024894 and 22024903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22024921) 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 23 ways as a sum of consecutive naturals, for example, 54725 + ... + 55125.
It is an arithmetic number, because the mean of its divisors is an integer number (1235815).
Almost surely, 222024925 is an apocalyptic number.
22024925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
22024925 is a deficient number, since it is larger than the sum of its proper divisors (7634635).
22024925 is an equidigital number, since it uses as much as digits as its factorization.
22024925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450 (or 419 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 22024925 is about 4693.0720216080. The cubic root of 22024925 is about 280.3097125677.
Adding to 22024925 its reverse (52942022), we get a palindrome (74966947).
The spelling of 22024925 in words is "twenty-two million, twenty-four thousand, nine hundred twenty-five".
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