Base | Representation |
---|---|
bin | 1110011100010001100001 |
3 | 21010100011202 |
4 | 32130101201 |
5 | 1432121300 |
6 | 213050545 |
7 | 44115251 |
oct | 16342141 |
9 | 7110152 |
10 | 3785825 |
11 | 215638a |
12 | 1326a55 |
13 | a27244 |
14 | 707961 |
15 | 4ebad5 |
hex | 39c461 |
3785825 has 6 divisors (see below), whose sum is σ = 4694454. Its totient is φ = 3028640.
The previous prime is 3785819. The next prime is 3785851. The reversal of 3785825 is 5285873.
It can be written as a sum of positive squares in 3 ways, for example, as 33856 + 3751969 = 184^2 + 1937^2 .
It is not a de Polignac number, because 3785825 - 24 = 3785809 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75692 + ... + 75741.
It is an arithmetic number, because the mean of its divisors is an integer number (782409).
Almost surely, 23785825 is an apocalyptic number.
It is an amenable number.
3785825 is a deficient number, since it is larger than the sum of its proper divisors (908629).
3785825 is a wasteful number, since it uses less digits than its factorization.
3785825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151443 (or 151438 counting only the distinct ones).
The product of its digits is 67200, while the sum is 38.
The square root of 3785825 is about 1945.7196612051. The cubic root of 3785825 is about 155.8547985975.
The spelling of 3785825 in words is "three million, seven hundred eighty-five thousand, eight hundred twenty-five".
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