Base | Representation |
---|---|
bin | 101101110100… |
… | …111010101110 |
3 | 211121100001110 |
4 | 231310322232 |
5 | 11033410410 |
6 | 1105252450 |
7 | 204052665 |
oct | 55647256 |
9 | 24540043 |
10 | 12013230 |
11 | 6865799 |
12 | 4034126 |
13 | 2648028 |
14 | 1849ddc |
15 | 10c4720 |
hex | b74eae |
12013230 has 16 divisors (see below), whose sum is σ = 28831824. Its totient is φ = 3203520.
The previous prime is 12013229. The next prime is 12013259. The reversal of 12013230 is 3231021.
It is a happy number.
It is a Curzon 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, 200191 + ... + 200250.
It is an arithmetic number, because the mean of its divisors is an integer number (1801989).
Almost surely, 212013230 is an apocalyptic number.
12013230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12013230 is an abundant number, since it is smaller than the sum of its proper divisors (16818594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12013230 is a wasteful number, since it uses less digits than its factorization.
12013230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400451.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 12013230 is about 3466.0106751134. The cubic root of 12013230 is about 229.0269541063.
Adding to 12013230 its reverse (3231021), we get a palindrome (15244251).
It can be divided in two parts, 120 and 13230, that multiplied together give a square (1587600 = 12602).
The spelling of 12013230 in words is "twelve million, thirteen thousand, two hundred thirty".
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