Base | Representation |
---|---|
bin | 101110101011… |
… | …001111111010 |
3 | 212000122022200 |
4 | 232223033322 |
5 | 11113021040 |
6 | 1114131030 |
7 | 206000541 |
oct | 56531772 |
9 | 25018280 |
10 | 12235770 |
11 | 69a7a08 |
12 | 4120a76 |
13 | 26c5401 |
14 | 18a7158 |
15 | 111a630 |
hex | bab3fa |
12235770 has 72 divisors (see below), whose sum is σ = 33385716. Its totient is φ = 3108864.
The previous prime is 12235763. The next prime is 12235819. The reversal of 12235770 is 7753221.
It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 804609 = 3381^2 + 897^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47482 + ... + 47738.
Almost surely, 212235770 is an apocalyptic number.
12235770 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 12235770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16692858).
12235770 is an abundant number, since it is smaller than the sum of its proper divisors (21149946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12235770 is a wasteful number, since it uses less digits than its factorization.
12235770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 12235770 is about 3497.9665521557. The cubic root of 12235770 is about 230.4325194622.
Adding to 12235770 its reverse (7753221), we get a palindrome (19988991).
The spelling of 12235770 in words is "twelve million, two hundred thirty-five thousand, seven hundred seventy".
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