Base | Representation |
---|---|
bin | 110000001110… |
… | …0011010100101 |
3 | 1202120110200021 |
4 | 1200130122211 |
5 | 22433012323 |
6 | 2301515141 |
7 | 424616035 |
oct | 140343245 |
9 | 52513607 |
10 | 25282213 |
11 | 132a89a0 |
12 | 8572ab1 |
13 | 53127b8 |
14 | 35018c5 |
15 | 234605d |
hex | 181c6a5 |
25282213 has 16 divisors (see below), whose sum is σ = 29362176. Its totient is φ = 21514240.
The previous prime is 25282207. The next prime is 25282241. The reversal of 25282213 is 31228252.
It is a de Polignac number, because none of the positive numbers 2k-25282213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25282253) 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 15 ways as a sum of consecutive naturals, for example, 65820 + ... + 66202.
It is an arithmetic number, because the mean of its divisors is an integer number (1835136).
Almost surely, 225282213 is an apocalyptic number.
It is an amenable number.
25282213 is a deficient number, since it is larger than the sum of its proper divisors (4079963).
25282213 is a wasteful number, since it uses less digits than its factorization.
25282213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 764.
The product of its digits is 1920, while the sum is 25.
The square root of 25282213 is about 5028.1421022083. The cubic root of 25282213 is about 293.4979205759.
The spelling of 25282213 in words is "twenty-five million, two hundred eighty-two thousand, two hundred thirteen".
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