Base | Representation |
---|---|
bin | 100110001110… |
… | …0001100010011 |
3 | 1101201001112200 |
4 | 1030130030103 |
5 | 20112212134 |
6 | 1553254243 |
7 | 332216022 |
oct | 114341423 |
9 | 41631480 |
10 | 20038419 |
11 | 10347185 |
12 | 6864383 |
13 | 41c7a6b |
14 | 29388b9 |
15 | 1b5c499 |
hex | 131c313 |
20038419 has 12 divisors (see below), whose sum is σ = 29001336. Its totient is φ = 13332672.
The previous prime is 20038411. The next prime is 20038433. The reversal of 20038419 is 91483002.
It is not a de Polignac number, because 20038419 - 23 = 20038411 is a prime.
It is a super-2 number, since 2×200384192 = 803076472039122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20038392 and 20038401.
It is not an unprimeable number, because it can be changed into a prime (20038411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3387 + ... + 7179.
It is an arithmetic number, because the mean of its divisors is an integer number (2416778).
Almost surely, 220038419 is an apocalyptic number.
20038419 is a deficient number, since it is larger than the sum of its proper divisors (8962917).
20038419 is a wasteful number, since it uses less digits than its factorization.
20038419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4386 (or 4383 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 20038419 is about 4476.4292689598. The cubic root of 20038419 is about 271.6154591695.
The spelling of 20038419 in words is "twenty million, thirty-eight thousand, four hundred nineteen".
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