Base | Representation |
---|---|
bin | 111001011011110010001 |
3 | 10112121121202 |
4 | 13023132101 |
5 | 440211001 |
6 | 104200545 |
7 | 21665612 |
oct | 7133621 |
9 | 3477552 |
10 | 1882001 |
11 | 1075a80 |
12 | 769155 |
13 | 50b814 |
14 | 36dc09 |
15 | 27296b |
hex | 1cb791 |
1882001 has 4 divisors (see below), whose sum is σ = 2053104. Its totient is φ = 1710900.
The previous prime is 1881989. The next prime is 1882009. The reversal of 1882001 is 1002881.
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 1882001 - 26 = 1881937 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1882009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85535 + ... + 85556.
It is an arithmetic number, because the mean of its divisors is an integer number (513276).
21882001 is an apocalyptic number.
1882001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1882001 is a deficient number, since it is larger than the sum of its proper divisors (171103).
1882001 is a wasteful number, since it uses less digits than its factorization.
1882001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171102.
The product of its (nonzero) digits is 128, while the sum is 20.
The square root of 1882001 is about 1371.8604156400. The cubic root of 1882001 is about 123.4638882109.
Adding to 1882001 its reverse (1002881), we get a palindrome (2884882).
The spelling of 1882001 in words is "one million, eight hundred eighty-two thousand, one".
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