Base | Representation |
---|---|
bin | 11111001000011100000 |
3 | 1220211100112 |
4 | 3321003200 |
5 | 230121003 |
6 | 33510452 |
7 | 11446064 |
oct | 3710340 |
9 | 1824315 |
10 | 1020128 |
11 | 63748a |
12 | 412428 |
13 | 299435 |
14 | 1c7aa4 |
15 | 1523d8 |
hex | f90e0 |
1020128 has 24 divisors (see below), whose sum is σ = 2041200. Its totient is φ = 501760.
The previous prime is 1020113. The next prime is 1020137. The reversal of 1020128 is 8210201.
It is a super-2 number, since 2×10201282 = 2081322272768, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 2496.
It is an arithmetic number, because the mean of its divisors is an integer number (85050).
21020128 is an apocalyptic number.
It is an amenable number.
1020128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
1020128 is an equidigital number, since it uses as much as digits as its factorization.
1020128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530 (or 522 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 1020128 is about 1010.0138612910. The cubic root of 1020128 is about 100.6664814893. Note that the first 3 decimals are identical.
Adding to 1020128 its reverse (8210201), we get a palindrome (9230329).
The spelling of 1020128 in words is "one million, twenty thousand, one hundred twenty-eight".
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