Base | Representation |
---|---|
bin | 101101110010… |
… | …101001010101 |
3 | 211120212021211 |
4 | 231302221111 |
5 | 11033111200 |
6 | 1105141421 |
7 | 204013603 |
oct | 55625125 |
9 | 24525254 |
10 | 12003925 |
11 | 68597aa |
12 | 402a871 |
13 | 2643a1b |
14 | 1846873 |
15 | 10c1aba |
hex | b72a55 |
12003925 has 6 divisors (see below), whose sum is σ = 14884898. Its totient is φ = 9603120.
The previous prime is 12003911. The next prime is 12003961. The reversal of 12003925 is 52930021.
It can be written as a sum of positive squares in 3 ways, for example, as 1094116 + 10909809 = 1046^2 + 3303^2 .
It is not a de Polignac number, because 12003925 - 211 = 12001877 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12003896 and 12003905.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240054 + ... + 240103.
Almost surely, 212003925 is an apocalyptic number.
It is an amenable number.
12003925 is a deficient number, since it is larger than the sum of its proper divisors (2880973).
12003925 is an equidigital number, since it uses as much as digits as its factorization.
12003925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480167 (or 480162 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 12003925 is about 3464.6680937718. The cubic root of 12003925 is about 228.9678069197.
Adding to 12003925 its reverse (52930021), we get a palindrome (64933946).
The spelling of 12003925 in words is "twelve million, three thousand, nine hundred twenty-five".
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