Base | Representation |
---|---|
bin | 1110101001111111100011 |
3 | 21020012021000 |
4 | 32221333203 |
5 | 1440421034 |
6 | 214203043 |
7 | 44441136 |
oct | 16517743 |
9 | 7205230 |
10 | 3842019 |
11 | 2194625 |
12 | 1353483 |
13 | a469ac |
14 | 72021d |
15 | 50d599 |
hex | 3a9fe3 |
3842019 has 8 divisors (see below), whose sum is σ = 5691920. Its totient is φ = 2561328.
The previous prime is 3842011. The next prime is 3842029. The reversal of 3842019 is 9102483.
It is not a de Polignac number, because 3842019 - 23 = 3842011 is a prime.
It is a super-2 number, since 2×38420192 = 29522219992722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 142297 = 3842019 / (3 + 8 + 4 + 2 + 0 + 1 + 9).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3841983 and 3842001.
It is not an unprimeable number, because it can be changed into a prime (3842011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71122 + ... + 71175.
It is an arithmetic number, because the mean of its divisors is an integer number (711490).
Almost surely, 23842019 is an apocalyptic number.
3842019 is a deficient number, since it is larger than the sum of its proper divisors (1849901).
3842019 is a wasteful number, since it uses less digits than its factorization.
3842019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142306 (or 142300 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 3842019 is about 1960.1068848407. The cubic root of 3842019 is about 156.6221456915.
The spelling of 3842019 in words is "three million, eight hundred forty-two thousand, nineteen".
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