Base | Representation |
---|---|
bin | 111111000010000001100 |
3 | 10212221020001 |
4 | 13320100030 |
5 | 1012043140 |
6 | 112134044 |
7 | 23361430 |
oct | 7702014 |
9 | 3787201 |
10 | 2065420 |
11 | 1190865 |
12 | 837324 |
13 | 574156 |
14 | 3ba9c0 |
15 | 2abe9a |
hex | 1f840c |
2065420 has 24 divisors (see below), whose sum is σ = 4957344. Its totient is φ = 708096.
The previous prime is 2065417. The next prime is 2065429. The reversal of 2065420 is 245602.
It is not an unprimeable number, because it can be changed into a prime (2065429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7237 + ... + 7516.
It is an arithmetic number, because the mean of its divisors is an integer number (206556).
22065420 is an apocalyptic number.
2065420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2065420 is an abundant number, since it is smaller than the sum of its proper divisors (2891924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2065420 is a wasteful number, since it uses less digits than its factorization.
2065420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14769 (or 14767 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 2065420 is about 1437.1569155802. The cubic root of 2065420 is about 127.3511270207.
It can be divided in two parts, 2065 and 420, that added together give a triangular number (2485 = T70).
The spelling of 2065420 in words is "two million, sixty-five thousand, four hundred twenty".
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