Base | Representation |
---|---|
bin | 100111001010101110001 |
3 | 2102012112212 |
4 | 10321111301 |
5 | 312032231 |
6 | 43301505 |
7 | 13623545 |
oct | 4712561 |
9 | 2365485 |
10 | 1283441 |
11 | 7a72a5 |
12 | 51a895 |
13 | 35c243 |
14 | 255a25 |
15 | 1a542b |
hex | 139571 |
1283441 has 2 divisors, whose sum is σ = 1283442. Its totient is φ = 1283440.
The previous prime is 1283437. The next prime is 1283473. The reversal of 1283441 is 1443821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1210000 + 73441 = 1100^2 + 271^2 .
It is a cyclic number.
It is not a de Polignac number, because 1283441 - 22 = 1283437 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1283941) 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 as a sum of consecutive naturals, namely, 641720 + 641721.
It is an arithmetic number, because the mean of its divisors is an integer number (641721).
21283441 is an apocalyptic number.
It is an amenable number.
1283441 is a deficient number, since it is larger than the sum of its proper divisors (1).
1283441 is an equidigital number, since it uses as much as digits as its factorization.
1283441 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 768, while the sum is 23.
The square root of 1283441 is about 1132.8905507594. The cubic root of 1283441 is about 108.6739125149.
The spelling of 1283441 in words is "one million, two hundred eighty-three thousand, four hundred forty-one".
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