Base | Representation |
---|---|
bin | 1110111001011000000001 |
3 | 21100101200120 |
4 | 32321120001 |
5 | 1444430100 |
6 | 215410453 |
7 | 45122625 |
oct | 16713001 |
9 | 7311616 |
10 | 3905025 |
11 | 22279a3 |
12 | 1383a29 |
13 | a69587 |
14 | 739185 |
15 | 5220a0 |
hex | 3b9601 |
3905025 has 12 divisors (see below), whose sum is σ = 6456432. Its totient is φ = 2082640.
The previous prime is 3905023. The next prime is 3905059. The reversal of 3905025 is 5205093.
It is not a de Polignac number, because 3905025 - 21 = 3905023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3904986 and 3905004.
It is not an unprimeable number, because it can be changed into a prime (3905023) 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, 25959 + ... + 26108.
It is an arithmetic number, because the mean of its divisors is an integer number (538036).
Almost surely, 23905025 is an apocalyptic number.
It is an amenable number.
3905025 is a deficient number, since it is larger than the sum of its proper divisors (2551407).
3905025 is a wasteful number, since it uses less digits than its factorization.
3905025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52080 (or 52075 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 3905025 is about 1976.1136100943. The cubic root of 3905025 is about 157.4736665472.
The spelling of 3905025 in words is "three million, nine hundred five thousand, twenty-five".
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