Base | Representation |
---|---|
bin | 110000110101… |
… | …100101100001 |
3 | 220002102121000 |
4 | 300311211201 |
5 | 11234134101 |
6 | 1134222213 |
7 | 213550533 |
oct | 60654541 |
9 | 26072530 |
10 | 12802401 |
11 | 72546a7 |
12 | 4354969 |
13 | 28632b1 |
14 | 19b3853 |
15 | 11cd486 |
hex | c35961 |
12802401 has 8 divisors (see below), whose sum is σ = 18966560. Its totient is φ = 8534916.
The previous prime is 12802399. The next prime is 12802403. The reversal of 12802401 is 10420821.
It is an interprime number because it is at equal distance from previous prime (12802399) and next prime (12802403).
It is not a de Polignac number, because 12802401 - 21 = 12802399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12802403) 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 7 ways as a sum of consecutive naturals, for example, 237055 + ... + 237108.
It is an arithmetic number, because the mean of its divisors is an integer number (2370820).
Almost surely, 212802401 is an apocalyptic number.
It is an amenable number.
12802401 is a deficient number, since it is larger than the sum of its proper divisors (6164159).
12802401 is an equidigital number, since it uses as much as digits as its factorization.
12802401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474172 (or 474166 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 12802401 is about 3578.0442982166. The cubic root of 12802401 is about 233.9360443230.
It can be divided in two parts, 12802 and 401, that added together give a triangular number (13203 = T162).
The spelling of 12802401 in words is "twelve million, eight hundred two thousand, four hundred one".
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