Base | Representation |
---|---|
bin | 101111111001… |
… | …0111010010110 |
3 | 1202020211111000 |
4 | 1133302322112 |
5 | 22412042324 |
6 | 2254124130 |
7 | 423310311 |
oct | 137627226 |
9 | 52224430 |
10 | 25112214 |
11 | 131a21a6 |
12 | 84b0646 |
13 | 52832ca |
14 | 3499978 |
15 | 23109c9 |
hex | 17f2e96 |
25112214 has 16 divisors (see below), whose sum is σ = 55805040. Its totient is φ = 8370720.
The previous prime is 25112207. The next prime is 25112221. The reversal of 25112214 is 41221152.
It is an interprime number because it is at equal distance from previous prime (25112207) and next prime (25112221).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232467 + ... + 232574.
It is an arithmetic number, because the mean of its divisors is an integer number (3487815).
Almost surely, 225112214 is an apocalyptic number.
25112214 is an abundant number, since it is smaller than the sum of its proper divisors (30692826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25112214 is a wasteful number, since it uses less digits than its factorization.
25112214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465052 (or 465046 counting only the distinct ones).
The product of its digits is 160, while the sum is 18.
The square root of 25112214 is about 5011.2088361991. The cubic root of 25112214 is about 292.8386085208.
Adding to 25112214 its reverse (41221152), we get a palindrome (66333366).
The spelling of 25112214 in words is "twenty-five million, one hundred twelve thousand, two hundred fourteen".
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