Base | Representation |
---|---|
bin | 1110110011100010110101 |
3 | 21022011220222 |
4 | 32303202311 |
5 | 1443144031 |
6 | 215104125 |
7 | 44663165 |
oct | 16634265 |
9 | 7264828 |
10 | 3881141 |
11 | 2210a60 |
12 | 1372045 |
13 | a5b744 |
14 | 7305a5 |
15 | 519e7b |
hex | 3b38b5 |
3881141 has 4 divisors (see below), whose sum is σ = 4233984. Its totient is φ = 3528300.
The previous prime is 3881131. The next prime is 3881147. The reversal of 3881141 is 1411883.
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 3881141 - 26 = 3881077 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3881141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3881147) 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 3 ways as a sum of consecutive naturals, for example, 176405 + ... + 176426.
It is an arithmetic number, because the mean of its divisors is an integer number (1058496).
Almost surely, 23881141 is an apocalyptic number.
It is an amenable number.
3881141 is a deficient number, since it is larger than the sum of its proper divisors (352843).
3881141 is a wasteful number, since it uses less digits than its factorization.
3881141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352842.
The product of its digits is 768, while the sum is 26.
The square root of 3881141 is about 1970.0611665631. The cubic root of 3881141 is about 157.1519618101.
The spelling of 3881141 in words is "three million, eight hundred eighty-one thousand, one hundred forty-one".
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