Base | Representation |
---|---|
bin | 100101100011100100100 |
3 | 2022112002211 |
4 | 10230130210 |
5 | 303340003 |
6 | 42213204 |
7 | 13313560 |
oct | 4543444 |
9 | 2275084 |
10 | 1230628 |
11 | 770653 |
12 | 4b4204 |
13 | 3411a9 |
14 | 2406a0 |
15 | 19496d |
hex | 12c724 |
1230628 has 12 divisors (see below), whose sum is σ = 2461312. Its totient is φ = 527400.
The previous prime is 1230599. The next prime is 1230629. The reversal of 1230628 is 8260321.
1230628 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 1230599 and 1230608.
It is not an unprimeable number, because it can be changed into a prime (1230629) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21948 + ... + 22003.
21230628 is an apocalyptic number.
It is an amenable number.
1230628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230628 is a wasteful number, since it uses less digits than its factorization.
1230628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43962 (or 43960 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 1230628 is about 1109.3367387768. The cubic root of 1230628 is about 107.1623586936.
Adding to 1230628 its reverse (8260321), we get a palindrome (9490949).
The spelling of 1230628 in words is "one million, two hundred thirty thousand, six hundred twenty-eight".
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