Base | Representation |
---|---|
bin | 100110001101… |
… | …0010000110010 |
3 | 1101200122200220 |
4 | 1030122100302 |
5 | 20111434024 |
6 | 1553153510 |
7 | 332154000 |
oct | 114322062 |
9 | 41618626 |
10 | 20030514 |
11 | 10341249 |
12 | 685b896 |
13 | 41c429a |
14 | 2935a70 |
15 | 1b59e79 |
hex | 131a432 |
20030514 has 32 divisors (see below), whose sum is σ = 46723200. Its totient is φ = 5722416.
The previous prime is 20030497. The next prime is 20030519. The reversal of 20030514 is 41503002.
It is a super-2 number, since 2×200305142 = 802442982208392, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20030493 and 20030502.
It is not an unprimeable number, because it can be changed into a prime (20030519) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2809 + ... + 6924.
It is an arithmetic number, because the mean of its divisors is an integer number (1460100).
Almost surely, 220030514 is an apocalyptic number.
20030514 is an abundant number, since it is smaller than the sum of its proper divisors (26692686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030514 is an equidigital number, since it uses as much as digits as its factorization.
20030514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9759 (or 9745 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 20030514 is about 4475.5462236469. The cubic root of 20030514 is about 271.5797377451.
Adding to 20030514 its reverse (41503002), we get a palindrome (61533516).
The spelling of 20030514 in words is "twenty million, thirty thousand, five hundred fourteen".
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