Base | Representation |
---|---|
bin | 1110101001000111011110 |
3 | 21020000100002 |
4 | 32221013132 |
5 | 1440312210 |
6 | 214134302 |
7 | 44424521 |
oct | 16510736 |
9 | 7200302 |
10 | 3838430 |
11 | 2191962 |
12 | 1351392 |
13 | a4517b |
14 | 71cbb8 |
15 | 50c4a5 |
hex | 3a91de |
3838430 has 32 divisors (see below), whose sum is σ = 7446816. Its totient is φ = 1419264.
The previous prime is 3838423. The next prime is 3838433. The reversal of 3838430 is 348383.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3838393 and 3838402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3838433) 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 15 ways as a sum of consecutive naturals, for example, 11222 + ... + 11558.
It is an arithmetic number, because the mean of its divisors is an integer number (232713).
Almost surely, 23838430 is an apocalyptic number.
3838430 is a deficient number, since it is larger than the sum of its proper divisors (3608386).
3838430 is a wasteful number, since it uses less digits than its factorization.
3838430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428.
The product of its (nonzero) digits is 6912, while the sum is 29.
The square root of 3838430 is about 1959.1911596371. The cubic root of 3838430 is about 156.5733612716.
The spelling of 3838430 in words is "three million, eight hundred thirty-eight thousand, four hundred thirty".
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