Base | Representation |
---|---|
bin | 101110101100… |
… | …010011110011 |
3 | 212000212021121 |
4 | 232230103303 |
5 | 11113140430 |
6 | 1114203111 |
7 | 206016316 |
oct | 56542363 |
9 | 25025247 |
10 | 12240115 |
11 | 6a001a8 |
12 | 4123497 |
13 | 26c7394 |
14 | 18a897d |
15 | 111ba7a |
hex | bac4f3 |
12240115 has 8 divisors (see below), whose sum is σ = 14707440. Its totient is φ = 9779232.
The previous prime is 12240091. The next prime is 12240121. The reversal of 12240115 is 51104221.
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 12240115 - 25 = 12240083 is a prime.
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, 5196 + ... + 7174.
It is an arithmetic number, because the mean of its divisors is an integer number (1838430).
Almost surely, 212240115 is an apocalyptic number.
12240115 is a deficient number, since it is larger than the sum of its proper divisors (2467325).
12240115 is a wasteful number, since it uses less digits than its factorization.
12240115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3221.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 12240115 is about 3498.5875721497. The cubic root of 12240115 is about 230.4597922536.
Adding to 12240115 its reverse (51104221), we get a palindrome (63344336).
The spelling of 12240115 in words is "twelve million, two hundred forty thousand, one hundred fifteen".
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