Base | Representation |
---|---|
bin | 111101101011010100110 |
3 | 10210200022222 |
4 | 13231122212 |
5 | 1004133110 |
6 | 111152342 |
7 | 23115134 |
oct | 7553246 |
9 | 3720288 |
10 | 2021030 |
11 | 1160480 |
12 | 8156b2 |
13 | 559b9b |
14 | 3a8754 |
15 | 29dc55 |
hex | 1ed6a6 |
2021030 has 32 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 695520.
The previous prime is 2021029. The next prime is 2021053. The reversal of 2021030 is 301202.
It is a junction number, because it is equal to n+sod(n) for n = 2020999 and 2021017.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607 + ... + 2573.
It is an arithmetic number, because the mean of its divisors is an integer number (130680).
22021030 is an apocalyptic number.
2021030 is an abundant number, since it is smaller than the sum of its proper divisors (2160730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021030 is a wasteful number, since it uses less digits than its factorization.
2021030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004.
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 2021030 is about 1421.6293469115. The cubic root of 2021030 is about 126.4321684802.
Adding to 2021030 its reverse (301202), we get a palindrome (2322232).
The spelling of 2021030 in words is "two million, twenty-one thousand, thirty".
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