Base | Representation |
---|---|
bin | 101010000011… |
… | …1110010111001 |
3 | 1112111100200200 |
4 | 1110013302321 |
5 | 21121131100 |
6 | 2104352413 |
7 | 355303422 |
oct | 124076271 |
9 | 45440620 |
10 | 22052025 |
11 | 114a2016 |
12 | 7475709 |
13 | 4751448 |
14 | 2d00649 |
15 | 1e08e00 |
hex | 1507cb9 |
22052025 has 18 divisors (see below), whose sum is σ = 39498030. Its totient is φ = 11760960.
The previous prime is 22052011. The next prime is 22052029. The reversal of 22052025 is 52025022.
It can be written as a sum of positive squares in 3 ways, for example, as 345744 + 21706281 = 588^2 + 4659^2 .
It is not a de Polignac number, because 22052025 - 25 = 22051993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22051989 and 22052007.
It is not an unprimeable number, because it can be changed into a prime (22052029) 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 17 ways as a sum of consecutive naturals, for example, 48780 + ... + 49229.
It is an arithmetic number, because the mean of its divisors is an integer number (2194335).
Almost surely, 222052025 is an apocalyptic number.
22052025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
22052025 is a deficient number, since it is larger than the sum of its proper divisors (17446005).
22052025 is a wasteful number, since it uses less digits than its factorization.
22052025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98025 (or 98017 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 22052025 is about 4695.9583686400. The cubic root of 22052025 is about 280.4246320622.
Adding to 22052025 its reverse (52025022), we get a palindrome (74077047).
The spelling of 22052025 in words is "twenty-two million, fifty-two thousand, twenty-five".
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