Base | Representation |
---|---|
bin | 101110100111… |
… | …011110100101 |
3 | 211222212010122 |
4 | 232213132211 |
5 | 11112022300 |
6 | 1113531325 |
7 | 205604525 |
oct | 56473645 |
9 | 24885118 |
10 | 12220325 |
11 | 6997347 |
12 | 4113b45 |
13 | 26bb380 |
14 | 18a1685 |
15 | 1115c85 |
hex | ba77a5 |
12220325 has 24 divisors (see below), whose sum is σ = 17186400. Its totient is φ = 8544960.
The previous prime is 12220301. The next prime is 12220333. The reversal of 12220325 is 52302221.
It is not a de Polignac number, because 12220325 - 26 = 12220261 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5186 + ... + 7164.
It is an arithmetic number, because the mean of its divisors is an integer number (716100).
Almost surely, 212220325 is an apocalyptic number.
It is an amenable number.
12220325 is a deficient number, since it is larger than the sum of its proper divisors (4966075).
12220325 is a wasteful number, since it uses less digits than its factorization.
12220325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2021 (or 2016 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 12220325 is about 3495.7581438080. The cubic root of 12220325 is about 230.3355216486.
Adding to 12220325 its reverse (52302221), we get a palindrome (64522546).
The spelling of 12220325 in words is "twelve million, two hundred twenty thousand, three hundred twenty-five".
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