Base | Representation |
---|---|
bin | 101110000110… |
… | …100011011110 |
3 | 211202000011000 |
4 | 232012203132 |
5 | 11043213340 |
6 | 1111011130 |
7 | 204503415 |
oct | 56064336 |
9 | 24660130 |
10 | 12085470 |
11 | 6904aa1 |
12 | 4069aa6 |
13 | 2671b87 |
14 | 186847c |
15 | 10dad30 |
hex | b868de |
12085470 has 64 divisors (see below), whose sum is σ = 34136640. Its totient is φ = 3032064.
The previous prime is 12085457. The next prime is 12085471. The reversal of 12085470 is 7458021.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12085471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3274 + ... + 5906.
It is an arithmetic number, because the mean of its divisors is an integer number (533385).
Almost surely, 212085470 is an apocalyptic number.
12085470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12085470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17068320).
12085470 is an abundant number, since it is smaller than the sum of its proper divisors (22051170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12085470 is a wasteful number, since it uses less digits than its factorization.
12085470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2666 (or 2660 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 12085470 is about 3476.4162581601. The cubic root of 12085470 is about 229.4851115977.
The spelling of 12085470 in words is "twelve million, eighty-five thousand, four hundred seventy".
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