Base | Representation |
---|---|
bin | 101100000000011111011 |
3 | 2201021010000 |
4 | 11200003323 |
5 | 332121133 |
6 | 50524043 |
7 | 15154131 |
oct | 5400373 |
9 | 2637100 |
10 | 1442043 |
11 | 8a5479 |
12 | 596623 |
13 | 3b64a5 |
14 | 297751 |
15 | 1d7413 |
hex | 1600fb |
1442043 has 20 divisors (see below), whose sum is σ = 2269960. Its totient is φ = 909792.
The previous prime is 1442017. The next prime is 1442053. The reversal of 1442043 is 3402441.
It is a de Polignac number, because none of the positive numbers 2k-1442043 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442003) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1071 + ... + 2007.
It is an arithmetic number, because the mean of its divisors is an integer number (113498).
21442043 is an apocalyptic number.
1442043 is a deficient number, since it is larger than the sum of its proper divisors (827917).
1442043 is an equidigital number, since it uses as much as digits as its factorization.
1442043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968 (or 959 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 1442043 is about 1200.8509482863. The cubic root of 1442043 is about 112.9777020247.
Adding to 1442043 its reverse (3402441), we get a palindrome (4844484).
It can be divided in two parts, 144 and 2043, that added together give a 7-th power (2187 = 37).
The spelling of 1442043 in words is "one million, four hundred forty-two thousand, forty-three".
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