Base | Representation |
---|---|
bin | 110000001010… |
… | …0100110100101 |
3 | 1202111211210002 |
4 | 1200110212211 |
5 | 22431001323 |
6 | 2301111045 |
7 | 424423532 |
oct | 140244645 |
9 | 52454702 |
10 | 25250213 |
11 | 1328694a |
12 | 8558485 |
13 | 5301071 |
14 | 34d3d89 |
15 | 233b828 |
hex | 18149a5 |
25250213 has 8 divisors (see below), whose sum is σ = 26964480. Its totient is φ = 23592240.
The previous prime is 25250209. The next prime is 25250231. The reversal of 25250213 is 31205252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25250213 - 22 = 25250209 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25250713) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13145 + ... + 14942.
It is an arithmetic number, because the mean of its divisors is an integer number (3370560).
Almost surely, 225250213 is an apocalyptic number.
It is an amenable number.
25250213 is a deficient number, since it is larger than the sum of its proper divisors (1714267).
25250213 is a wasteful number, since it uses less digits than its factorization.
25250213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28147.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 25250213 is about 5024.9590048079. The cubic root of 25250213 is about 293.3740403504.
Adding to 25250213 its reverse (31205252), we get a palindrome (56455465).
The spelling of 25250213 in words is "twenty-five million, two hundred fifty thousand, two hundred thirteen".
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