Base | Representation |
---|---|
bin | 100111110011010111111 |
3 | 2110021002202 |
4 | 10332122333 |
5 | 313214010 |
6 | 43542115 |
7 | 14041331 |
oct | 4763277 |
9 | 2407082 |
10 | 1304255 |
11 | 8109a7 |
12 | 52a93b |
13 | 368864 |
14 | 25d451 |
15 | 1ab6a5 |
hex | 13e6bf |
1304255 has 8 divisors (see below), whose sum is σ = 1647600. Its totient is φ = 988416.
The previous prime is 1304249. The next prime is 1304267. The reversal of 1304255 is 5524031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1304255 - 24 = 1304239 is a prime.
It is a super-2 number, since 2×13042552 = 3402162210050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6770 + ... + 6959.
It is an arithmetic number, because the mean of its divisors is an integer number (205950).
21304255 is an apocalyptic number.
1304255 is a deficient number, since it is larger than the sum of its proper divisors (343345).
1304255 is a wasteful number, since it uses less digits than its factorization.
1304255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13753.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 1304255 is about 1142.0398416868. The cubic root of 1304255 is about 109.2582323913.
Adding to 1304255 its reverse (5524031), we get a palindrome (6828286).
It can be divided in two parts, 1304 and 255, that multiplied together give a triangular number (332520 = T815).
The spelling of 1304255 in words is "one million, three hundred four thousand, two hundred fifty-five".
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