Base | Representation |
---|---|
bin | 111101111010110000101 |
3 | 10211002011200 |
4 | 13233112011 |
5 | 1004411213 |
6 | 111253113 |
7 | 23150154 |
oct | 7572605 |
9 | 3732150 |
10 | 2028933 |
11 | 1166405 |
12 | 81a199 |
13 | 56066a |
14 | 3ab59b |
15 | 2a1273 |
hex | 1ef585 |
2028933 has 24 divisors (see below), whose sum is σ = 3159000. Its totient is φ = 1250304.
The previous prime is 2028931. The next prime is 2028941. The reversal of 2028933 is 3398202.
It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 1979649 = 222^2 + 1407^2 .
It is not a de Polignac number, because 2028933 - 21 = 2028931 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2028897 and 2028906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028931) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 13543 + ... + 13691.
It is an arithmetic number, because the mean of its divisors is an integer number (131625).
22028933 is an apocalyptic number.
It is an amenable number.
2028933 is a deficient number, since it is larger than the sum of its proper divisors (1130067).
2028933 is a wasteful number, since it uses less digits than its factorization.
2028933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261 (or 258 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 2028933 is about 1424.4061920674. The cubic root of 2028933 is about 126.5967535087.
The spelling of 2028933 in words is "two million, twenty-eight thousand, nine hundred thirty-three".
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