Base | Representation |
---|---|
bin | 100111001010010011110 |
3 | 2102012021001 |
4 | 10321102132 |
5 | 312030410 |
6 | 43300514 |
7 | 13623124 |
oct | 4712236 |
9 | 2365231 |
10 | 1283230 |
11 | 7a7123 |
12 | 51a73a |
13 | 35c110 |
14 | 255914 |
15 | 1a533a |
hex | 13949e |
1283230 has 16 divisors (see below), whose sum is σ = 2487744. Its totient is φ = 473760.
The previous prime is 1283207. The next prime is 1283237. The reversal of 1283230 is 323821.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1283198 and 1283207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1283237) 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 7 ways as a sum of consecutive naturals, for example, 4806 + ... + 5065.
It is an arithmetic number, because the mean of its divisors is an integer number (155484).
21283230 is an apocalyptic number.
1283230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1283230 is a deficient number, since it is larger than the sum of its proper divisors (1204514).
1283230 is a wasteful number, since it uses less digits than its factorization.
1283230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9891.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1283230 is about 1132.7974223135. The cubic root of 1283230 is about 108.6679567932.
The spelling of 1283230 in words is "one million, two hundred eighty-three thousand, two hundred thirty".
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