Base | Representation |
---|---|
bin | 111101000011010001000 |
3 | 10202122012100 |
4 | 13220122020 |
5 | 1003004040 |
6 | 110513400 |
7 | 23001264 |
oct | 7503210 |
9 | 3678170 |
10 | 2000520 |
11 | 1147025 |
12 | 805860 |
13 | 550752 |
14 | 3a10a4 |
15 | 297b30 |
hex | 1e8688 |
2000520 has 48 divisors (see below), whose sum is σ = 6502860. Its totient is φ = 533376.
The previous prime is 2000519. The next prime is 2000521. The reversal of 2000520 is 250002.
It is an interprime number because it is at equal distance from previous prime (2000519) and next prime (2000521).
It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 79524 = 1386^2 + 282^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (2000521) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2419 + ... + 3138.
22000520 is an apocalyptic number.
2000520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2000520 is an abundant number, since it is smaller than the sum of its proper divisors (4502340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2000520 is a wasteful number, since it uses less digits than its factorization.
2000520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5574 (or 5567 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 9.
The square root of 2000520 is about 1414.3973981877. The cubic root of 2000520 is about 126.0030233590.
Adding to 2000520 its reverse (250002), we get a palindrome (2250522).
The spelling of 2000520 in words is "two million, five hundred twenty", and thus it is an aban number.
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