Base | Representation |
---|---|
bin | 101110101101… |
… | …110010111101 |
3 | 212001011122011 |
4 | 232231302331 |
5 | 11113334310 |
6 | 1114251221 |
7 | 206043136 |
oct | 56556275 |
9 | 25034564 |
10 | 12246205 |
11 | 6a04834 |
12 | 4126b11 |
13 | 26ca09a |
14 | 18aac8d |
15 | 111d78a |
hex | badcbd |
12246205 has 8 divisors (see below), whose sum is σ = 15559992. Its totient is φ = 9220608.
The previous prime is 12246191. The next prime is 12246211. The reversal of 12246205 is 50264221.
It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 8173881 = 2018^2 + 2859^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12246205 - 27 = 12246077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71952 + ... + 72121.
It is an arithmetic number, because the mean of its divisors is an integer number (1944999).
Almost surely, 212246205 is an apocalyptic number.
It is an amenable number.
12246205 is a deficient number, since it is larger than the sum of its proper divisors (3313787).
12246205 is a wasteful number, since it uses less digits than its factorization.
12246205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144095.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 12246205 is about 3499.4578151479. The cubic root of 12246205 is about 230.4980072385.
The spelling of 12246205 in words is "twelve million, two hundred forty-six thousand, two hundred five".
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