Base | Representation |
---|---|
bin | 100110110100110111000 |
3 | 2101122012022 |
4 | 10312212320 |
5 | 311202443 |
6 | 43134012 |
7 | 13546115 |
oct | 4664670 |
9 | 2348168 |
10 | 1272248 |
11 | 79994a |
12 | 514308 |
13 | 357113 |
14 | 25190c |
15 | 1a1e68 |
hex | 1369b8 |
1272248 has 16 divisors (see below), whose sum is σ = 2409000. Its totient is φ = 629856.
The previous prime is 1272247. The next prime is 1272253. The reversal of 1272248 is 8422721.
It is a super-2 number, since 2×12722482 = 3237229947008, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1272247) 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 3 ways as a sum of consecutive naturals, for example, 143 + ... + 1601.
21272248 is an apocalyptic number.
It is an amenable number.
1272248 is a deficient number, since it is larger than the sum of its proper divisors (1136752).
1272248 is a wasteful number, since it uses less digits than its factorization.
1272248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1574 (or 1570 counting only the distinct ones).
The product of its digits is 1792, while the sum is 26.
The square root of 1272248 is about 1127.9397147011. The cubic root of 1272248 is about 108.3570714582.
Adding to 1272248 its reverse (8422721), we get a palindrome (9694969).
The spelling of 1272248 in words is "one million, two hundred seventy-two thousand, two hundred forty-eight".
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