Base | Representation |
---|---|
bin | 100110111010101010111 |
3 | 2101210021111 |
4 | 10313111113 |
5 | 311301343 |
6 | 43155451 |
7 | 13560565 |
oct | 4672527 |
9 | 2353244 |
10 | 1275223 |
11 | 7a1104 |
12 | 515b87 |
13 | 358591 |
14 | 252a35 |
15 | 1a2c9d |
hex | 137557 |
1275223 has 8 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 1177920.
The previous prime is 1275203. The next prime is 1275227. The reversal of 1275223 is 3225721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1275223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1275194 and 1275203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1275227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 1597.
It is an arithmetic number, because the mean of its divisors is an integer number (171990).
21275223 is an apocalyptic number.
1275223 is a deficient number, since it is larger than the sum of its proper divisors (100697).
1275223 is a wasteful number, since it uses less digits than its factorization.
1275223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1697.
The product of its digits is 840, while the sum is 22.
The square root of 1275223 is about 1129.2577208060. The cubic root of 1275223 is about 108.4414657338.
The spelling of 1275223 in words is "one million, two hundred seventy-five thousand, two hundred twenty-three".
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