Base | Representation |
---|---|
bin | 110000110101… |
… | …100110001010 |
3 | 220002102122112 |
4 | 300311212022 |
5 | 11234134232 |
6 | 1134222322 |
7 | 213550622 |
oct | 60654612 |
9 | 26072575 |
10 | 12802442 |
11 | 7254734 |
12 | 43549a2 |
13 | 2863313 |
14 | 19b3882 |
15 | 11cd4b2 |
hex | c3598a |
12802442 has 12 divisors (see below), whose sum is σ = 19846098. Its totient is φ = 6193800.
The previous prime is 12802441. The next prime is 12802451. The reversal of 12802442 is 24420821.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 7958041 + 4844401 = 2821^2 + 2201^2 .
It is not an unprimeable number, because it can be changed into a prime (12802441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1409 + ... + 5252.
Almost surely, 212802442 is an apocalyptic number.
12802442 is a deficient number, since it is larger than the sum of its proper divisors (7043656).
12802442 is an equidigital number, since it uses as much as digits as its factorization.
12802442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6725 (or 6694 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 12802442 is about 3578.0500275988. The cubic root of 12802442 is about 233.9362940514.
The spelling of 12802442 in words is "twelve million, eight hundred two thousand, four hundred forty-two".
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