Base | Representation |
---|---|
bin | 111011101101001… |
… | …1100101011101010 |
3 | 12011121210101020020 |
4 | 1313122130223222 |
5 | 13100334000210 |
6 | 530444141310 |
7 | 100434543156 |
oct | 16732345352 |
9 | 5147711206 |
10 | 2003421930 |
11 | 938974604 |
12 | 47ab37836 |
13 | 25c0a4a83 |
14 | 15010a066 |
15 | bad3b770 |
hex | 7769caea |
2003421930 has 16 divisors (see below), whose sum is σ = 4808212704. Its totient is φ = 534245840.
The previous prime is 2003421929. The next prime is 2003422019. The reversal of 2003421930 is 391243002.
It is a self number, because there is not a number n which added to its sum of digits gives 2003421930.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33390336 + ... + 33390395.
It is an arithmetic number, because the mean of its divisors is an integer number (300513294).
Almost surely, 22003421930 is an apocalyptic number.
2003421930 is an abundant number, since it is smaller than the sum of its proper divisors (2804790774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2003421930 is a wasteful number, since it uses less digits than its factorization.
2003421930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66780741.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 2003421930 is about 44759.6015397814. The cubic root of 2003421930 is about 1260.6392007465.
Adding to 2003421930 its reverse (391243002), we get a palindrome (2394664932).
The spelling of 2003421930 in words is "two billion, three million, four hundred twenty-one thousand, nine hundred thirty".
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