Base | Representation |
---|---|
bin | 101110000010… |
… | …110101010001 |
3 | 211201020020101 |
4 | 232002311101 |
5 | 11042221400 |
6 | 1110412401 |
7 | 204411106 |
oct | 56026521 |
9 | 24636211 |
10 | 12070225 |
11 | 68a45a2 |
12 | 4061101 |
13 | 2667c5b |
14 | 1862aad |
15 | 10d656a |
hex | b82d51 |
12070225 has 12 divisors (see below), whose sum is σ = 15755440. Its totient is φ = 9147600.
The previous prime is 12070199. The next prime is 12070231. The reversal of 12070225 is 52207021.
It is a de Polignac number, because none of the positive numbers 2k-12070225 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 12231 + ... + 13180.
Almost surely, 212070225 is an apocalyptic number.
It is an amenable number.
12070225 is a deficient number, since it is larger than the sum of its proper divisors (3685215).
12070225 is a wasteful number, since it uses less digits than its factorization.
12070225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25440 (or 25435 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 12070225 is about 3474.2229347007. Note that the first 3 decimals coincide. The cubic root of 12070225 is about 229.3885776993.
Adding to 12070225 its reverse (52207021), we get a palindrome (64277246).
The spelling of 12070225 in words is "twelve million, seventy thousand, two hundred twenty-five".
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