Base | Representation |
---|---|
bin | 100110010000… |
… | …001111110100 |
3 | 200212110212011 |
4 | 212100033310 |
5 | 10031344040 |
6 | 554534004 |
7 | 151144132 |
oct | 46201764 |
9 | 20773764 |
10 | 10028020 |
11 | 572a222 |
12 | 3437304 |
13 | 2101552 |
14 | 1490752 |
15 | d313ea |
hex | 9903f4 |
10028020 has 12 divisors (see below), whose sum is σ = 21058884. Its totient is φ = 4011200.
The previous prime is 10028017. The next prime is 10028027. The reversal of 10028020 is 2082001.
It can be written as a sum of positive squares in 2 ways, for example, as 6780816 + 3247204 = 2604^2 + 1802^2 .
It is a super-2 number, since 2×100280202 = 201122370240800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10028027) 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 in 3 ways as a sum of consecutive naturals, for example, 250681 + ... + 250720.
It is an arithmetic number, because the mean of its divisors is an integer number (1754907).
Almost surely, 210028020 is an apocalyptic number.
10028020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10028020 is an abundant number, since it is smaller than the sum of its proper divisors (11030864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10028020 is a wasteful number, since it uses less digits than its factorization.
10028020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501410 (or 501408 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 10028020 is about 3166.7049120497. The cubic root of 10028020 is about 215.6445055519.
The spelling of 10028020 in words is "ten million, twenty-eight thousand, twenty".
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