Base | Representation |
---|---|
bin | 111110010011000100101 |
3 | 10211201020201 |
4 | 13302120211 |
5 | 1010311011 |
6 | 111430501 |
7 | 23231356 |
oct | 7623045 |
9 | 3751221 |
10 | 2041381 |
11 | 11747a1 |
12 | 825431 |
13 | 566224 |
14 | 3b1d2d |
15 | 2a4cc1 |
hex | 1f2625 |
2041381 has 4 divisors (see below), whose sum is σ = 2107264. Its totient is φ = 1975500.
The previous prime is 2041363. The next prime is 2041387. The reversal of 2041381 is 1831402.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2041381 - 213 = 2033189 is a prime.
It is a super-2 number, since 2×20413812 = 8334472774322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2041387) 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 3 ways as a sum of consecutive naturals, for example, 32895 + ... + 32956.
It is an arithmetic number, because the mean of its divisors is an integer number (526816).
22041381 is an apocalyptic number.
It is an amenable number.
2041381 is a deficient number, since it is larger than the sum of its proper divisors (65883).
2041381 is an equidigital number, since it uses as much as digits as its factorization.
2041381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65882.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 2041381 is about 1428.7690506166. The cubic root of 2041381 is about 126.8551265110.
Adding to 2041381 its reverse (1831402), we get a palindrome (3872783).
The spelling of 2041381 in words is "two million, forty-one thousand, three hundred eighty-one".
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