Base | Representation |
---|---|
bin | 101101110111… |
… | …111001001110 |
3 | 211121221210000 |
4 | 231313321032 |
5 | 11034303142 |
6 | 1105425130 |
7 | 204133353 |
oct | 55677116 |
9 | 24557700 |
10 | 12025422 |
11 | 6873972 |
12 | 403b1a6 |
13 | 2650746 |
14 | 185062a |
15 | 10c814c |
hex | b77e4e |
12025422 has 20 divisors (see below), whose sum is σ = 26946216. Its totient is φ = 4008420.
The previous prime is 12025421. The next prime is 12025441. The reversal of 12025422 is 22452021.
12025422 is a `hidden beast` number, since 120 + 2 + 542 + 2 = 666.
It is a super-2 number, since 2×120254222 = 289221548556168, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12025395 and 12025404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12025421) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36954 + ... + 37277.
Almost surely, 212025422 is an apocalyptic number.
12025422 is an abundant number, since it is smaller than the sum of its proper divisors (14920794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12025422 is an equidigital number, since it uses as much as digits as its factorization.
12025422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74245 (or 74236 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 12025422 is about 3467.7690234501. The cubic root of 12025422 is about 229.1044062858.
Adding to 12025422 its reverse (22452021), we get a palindrome (34477443).
The spelling of 12025422 in words is "twelve million, twenty-five thousand, four hundred twenty-two".
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