Base | Representation |
---|---|
bin | 101110100110… |
… | …010000110110 |
3 | 211222121022101 |
4 | 232212100312 |
5 | 11111342400 |
6 | 1113452314 |
7 | 205554160 |
oct | 56462066 |
9 | 24877271 |
10 | 12215350 |
11 | 6993634 |
12 | 411109a |
13 | 26b9024 |
14 | 189d930 |
15 | 111456a |
hex | ba6436 |
12215350 has 48 divisors (see below), whose sum is σ = 27507168. Its totient is φ = 3939840.
The previous prime is 12215341. The next prime is 12215381. The reversal of 12215350 is 5351221.
12215350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 15.
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, 4924 + ... + 6976.
It is an arithmetic number, because the mean of its divisors is an integer number (573066).
Almost surely, 212215350 is an apocalyptic number.
12215350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12215350 is an abundant number, since it is smaller than the sum of its proper divisors (15291818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12215350 is a wasteful number, since it uses less digits than its factorization.
12215350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2089 (or 2084 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 12215350 is about 3495.0464946836. The cubic root of 12215350 is about 230.3042602116.
Adding to 12215350 its reverse (5351221), we get a palindrome (17566571).
The spelling of 12215350 in words is "twelve million, two hundred fifteen thousand, three hundred fifty".
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