Base | Representation |
---|---|
bin | 11110100100101100001 |
3 | 1212220020122 |
4 | 3310211201 |
5 | 224024300 |
6 | 33250025 |
7 | 11341526 |
oct | 3644541 |
9 | 1786218 |
10 | 1001825 |
11 | 624760 |
12 | 403915 |
13 | 290cc6 |
14 | 1c114d |
15 | 14bc85 |
hex | f4961 |
1001825 has 12 divisors (see below), whose sum is σ = 1355568. Its totient is φ = 728400.
The previous prime is 1001821. The next prime is 1001831. The reversal of 1001825 is 5281001.
1001825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1001825 - 22 = 1001821 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1001821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1547 + ... + 2096.
It is an arithmetic number, because the mean of its divisors is an integer number (112964).
21001825 is an apocalyptic number.
It is an amenable number.
1001825 is a deficient number, since it is larger than the sum of its proper divisors (353743).
1001825 is a wasteful number, since it uses less digits than its factorization.
1001825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3664 (or 3659 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1001825 is about 1000.9120840513. The cubic root of 1001825 is about 100.0607963639.
Adding to 1001825 its reverse (5281001), we get a palindrome (6282826).
The spelling of 1001825 in words is "one million, one thousand, eight hundred twenty-five".
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