Base | Representation |
---|---|
bin | 100111000100011001100 |
3 | 2102001002222 |
4 | 10320203030 |
5 | 311431304 |
6 | 43234512 |
7 | 13611242 |
oct | 4704314 |
9 | 2361088 |
10 | 1280204 |
11 | 7a4922 |
12 | 518a38 |
13 | 35a923 |
14 | 254792 |
15 | 1a44be |
hex | 1388cc |
1280204 has 12 divisors (see below), whose sum is σ = 2250528. Its totient is φ = 637200.
The previous prime is 1280183. The next prime is 1280221. The reversal of 1280204 is 4020821.
It is a plaindrome in base 16.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 1674.
It is an arithmetic number, because the mean of its divisors is an integer number (187544).
21280204 is an apocalyptic number.
It is an amenable number.
1280204 is a deficient number, since it is larger than the sum of its proper divisors (970324).
1280204 is a wasteful number, since it uses less digits than its factorization.
1280204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 1280204 is about 1131.4610024212. The cubic root of 1280204 is about 108.5824724948.
The spelling of 1280204 in words is "one million, two hundred eighty thousand, two hundred four".
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