Base | Representation |
---|---|
bin | 11111101111100000000 |
3 | 1221211210021 |
4 | 3331330000 |
5 | 231241003 |
6 | 34143224 |
7 | 11561305 |
oct | 3757400 |
9 | 1854707 |
10 | 1040128 |
11 | 650511 |
12 | 421b14 |
13 | 2a557b |
14 | 1d10ac |
15 | 1582bd |
hex | fdf00 |
1040128 has 36 divisors (see below), whose sum is σ = 2207520. Its totient is φ = 487424.
The previous prime is 1040119. The next prime is 1040141. The reversal of 1040128 is 8210401.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 4233 + ... + 4471.
It is an arithmetic number, because the mean of its divisors is an integer number (61320).
21040128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1040128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103760).
1040128 is an abundant number, since it is smaller than the sum of its proper divisors (1167392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1040128 is an equidigital number, since it uses as much as digits as its factorization.
1040128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272 (or 258 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 1040128 is about 1019.8666579509. The cubic root of 1040128 is about 101.3200967629.
Adding to 1040128 its reverse (8210401), we get a palindrome (9250529).
The spelling of 1040128 in words is "one million, forty thousand, one hundred twenty-eight".
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