Base | Representation |
---|---|
bin | 11111110100001001010 |
3 | 1221222001100 |
4 | 3332201022 |
5 | 231330011 |
6 | 34202230 |
7 | 11601243 |
oct | 3764112 |
9 | 1858040 |
10 | 1042506 |
11 | 652283 |
12 | 423376 |
13 | 2a668a |
14 | 1d1cca |
15 | 158d56 |
hex | fe84a |
1042506 has 12 divisors (see below), whose sum is σ = 2258802. Its totient is φ = 347496.
The previous prime is 1042487. The next prime is 1042519. The reversal of 1042506 is 6052401.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 826281 + 216225 = 909^2 + 465^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57917 = 1042506 / (1 + 0 + 4 + 2 + 5 + 0 + 6).
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 28941 + ... + 28976.
21042506 is an apocalyptic number.
1042506 is an abundant number, since it is smaller than the sum of its proper divisors (1216296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042506 is a wasteful number, since it uses less digits than its factorization.
1042506 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57925 (or 57922 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 1042506 is about 1021.0318310415. The cubic root of 1042506 is about 101.3972525894.
Adding to 1042506 its reverse (6052401), we get a palindrome (7094907).
The spelling of 1042506 in words is "one million, forty-two thousand, five hundred six".
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