Base | Representation |
---|---|
bin | 101101110010… |
… | …011011010110 |
3 | 211120211001200 |
4 | 231302123112 |
5 | 11033044110 |
6 | 1105133330 |
7 | 204011154 |
oct | 55623326 |
9 | 24524050 |
10 | 12003030 |
11 | 6859066 |
12 | 402a246 |
13 | 26434b0 |
14 | 18463d4 |
15 | 10c16c0 |
hex | b726d6 |
12003030 has 48 divisors (see below), whose sum is σ = 33611760. Its totient is φ = 2954304.
The previous prime is 12003011. The next prime is 12003073. The reversal of 12003030 is 3030021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
12003030 is a modest number, since divided by 3030 gives 1200 as remainder.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3960 + ... + 6299.
It is an arithmetic number, because the mean of its divisors is an integer number (700245).
Almost surely, 212003030 is an apocalyptic number.
12003030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12003030 is an abundant number, since it is smaller than the sum of its proper divisors (21608730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12003030 is a wasteful number, since it uses less digits than its factorization.
12003030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10285 (or 10282 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 12003030 is about 3464.5389303629. The cubic root of 12003030 is about 228.9621162455.
Adding to 12003030 its reverse (3030021), we get a palindrome (15033051).
The spelling of 12003030 in words is "twelve million, three thousand, thirty".
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