Base | Representation |
---|---|
bin | 101110100010… |
… | …100111011100 |
3 | 211221211211010 |
4 | 232202213130 |
5 | 11110403122 |
6 | 1113255220 |
7 | 205462500 |
oct | 56424734 |
9 | 24854733 |
10 | 12200412 |
11 | 6983394 |
12 | 4104510 |
13 | 26b22a3 |
14 | 1898300 |
15 | 110ee0c |
hex | ba29dc |
12200412 has 36 divisors (see below), whose sum is σ = 33117000. Its totient is φ = 3485664.
The previous prime is 12200399. The next prime is 12200431. The reversal of 12200412 is 21400221.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 9787 + ... + 10962.
Almost surely, 212200412 is an apocalyptic number.
12200412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12200412 is an abundant number, since it is smaller than the sum of its proper divisors (20916588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200412 is a wasteful number, since it uses less digits than its factorization.
12200412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20770 (or 20761 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 12200412 is about 3492.9088164451. The cubic root of 12200412 is about 230.2103431768.
Adding to 12200412 its reverse (21400221), we get a palindrome (33600633).
The spelling of 12200412 in words is "twelve million, two hundred thousand, four hundred twelve".
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