Base | Representation |
---|---|
bin | 101110011110… |
… | …110111001110 |
3 | 211221001201201 |
4 | 232132313032 |
5 | 11104410123 |
6 | 1113100114 |
7 | 205366615 |
oct | 56366716 |
9 | 24831651 |
10 | 12185038 |
11 | 6972888 |
12 | 40b763a |
13 | 26a82a8 |
14 | 189287c |
15 | 110a5ad |
hex | b9edce |
12185038 has 8 divisors (see below), whose sum is σ = 18301032. Its totient is φ = 6084696.
The previous prime is 12185027. The next prime is 12185051. The reversal of 12185038 is 83058121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×121850382 = 296950302122888, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 12184997 and 12185015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720 + ... + 5227.
It is an arithmetic number, because the mean of its divisors is an integer number (2287629).
Almost surely, 212185038 is an apocalyptic number.
12185038 is a deficient number, since it is larger than the sum of its proper divisors (6115994).
12185038 is an equidigital number, since it uses as much as digits as its factorization.
12185038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7826.
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 12185038 is about 3490.7073781685. The cubic root of 12185038 is about 230.1136048730.
The spelling of 12185038 in words is "twelve million, one hundred eighty-five thousand, thirty-eight".
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