Base | Representation |
---|---|
bin | 101101111000… |
… | …000000110010 |
3 | 211121222102221 |
4 | 231320000302 |
5 | 11034312111 |
6 | 1105431254 |
7 | 204134644 |
oct | 55700062 |
9 | 24558387 |
10 | 12025906 |
11 | 6874272 |
12 | 403b52a |
13 | 2650a29 |
14 | 1850894 |
15 | 10c8371 |
hex | b78032 |
12025906 has 8 divisors (see below), whose sum is σ = 18334764. Its totient is φ = 5914320.
The previous prime is 12025903. The next prime is 12025921. The reversal of 12025906 is 60952021.
It can be written as a sum of positive squares in 2 ways, for example, as 9333025 + 2692881 = 3055^2 + 1641^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12025903) 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, 49165 + ... + 49408.
Almost surely, 212025906 is an apocalyptic number.
12025906 is a deficient number, since it is larger than the sum of its proper divisors (6308858).
12025906 is an equidigital number, since it uses as much as digits as its factorization.
12025906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98636.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 12025906 is about 3467.8388082493. The cubic root of 12025906 is about 229.1074799145.
Adding to 12025906 its reverse (60952021), we get a palindrome (72977927).
The spelling of 12025906 in words is "twelve million, twenty-five thousand, nine hundred six".
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