Base | Representation |
---|---|
bin | 100111110001010111001 |
3 | 2110012200121 |
4 | 10332022321 |
5 | 313200400 |
6 | 43533241 |
7 | 14035330 |
oct | 4761271 |
9 | 2405617 |
10 | 1303225 |
11 | 810150 |
12 | 52a221 |
13 | 368251 |
14 | 25cd17 |
15 | 1ab21a |
hex | 13e2b9 |
1303225 has 24 divisors (see below), whose sum is σ = 2017728. Its totient is φ = 811200.
The previous prime is 1303223. The next prime is 1303241. The reversal of 1303225 is 5223031.
It is not a de Polignac number, because 1303225 - 21 = 1303223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1303199 and 1303208.
It is not an unprimeable number, because it can be changed into a prime (1303223) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1587 + ... + 2263.
It is an arithmetic number, because the mean of its divisors is an integer number (84072).
21303225 is an apocalyptic number.
It is an amenable number.
1303225 is a deficient number, since it is larger than the sum of its proper divisors (714503).
1303225 is a wasteful number, since it uses less digits than its factorization.
1303225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 705 (or 700 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 1303225 is about 1141.5888051308. The cubic root of 1303225 is about 109.2294635753.
Adding to 1303225 its reverse (5223031), we get a palindrome (6526256).
The spelling of 1303225 in words is "one million, three hundred three thousand, two hundred twenty-five".
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