Base | Representation |
---|---|
bin | 101111111011… |
… | …0000101100110 |
3 | 1202021111022210 |
4 | 1133312011212 |
5 | 22413001342 |
6 | 2254304250 |
7 | 423363243 |
oct | 137660546 |
9 | 52244283 |
10 | 25125222 |
11 | 13200a51 |
12 | 84b8086 |
13 | 52891c5 |
14 | 34a05ca |
15 | 231479c |
hex | 17f6166 |
25125222 has 8 divisors (see below), whose sum is σ = 50250456. Its totient is φ = 8375072.
The previous prime is 25125197. The next prime is 25125227. The reversal of 25125222 is 22252152.
It is a sphenic number, since it is the product of 3 distinct primes.
25125222 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25125227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093763 + ... + 2093774.
It is an arithmetic number, because the mean of its divisors is an integer number (6281307).
Almost surely, 225125222 is an apocalyptic number.
25125222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25125222 is a wasteful number, since it uses less digits than its factorization.
25125222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4187542.
The product of its digits is 800, while the sum is 21.
The square root of 25125222 is about 5012.5065585992. The cubic root of 25125222 is about 292.8891627662.
Adding to 25125222 its reverse (22252152), we get a palindrome (47377374).
The spelling of 25125222 in words is "twenty-five million, one hundred twenty-five thousand, two hundred twenty-two".
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