Base | Representation |
---|---|
bin | 1110011111111011111001 |
3 | 21011002202022 |
4 | 32133323321 |
5 | 1433111300 |
6 | 213244225 |
7 | 44210060 |
oct | 16377371 |
9 | 7132668 |
10 | 3800825 |
11 | 2166686 |
12 | 1333675 |
13 | a31012 |
14 | 70d1d7 |
15 | 501285 |
hex | 39fef9 |
3800825 has 24 divisors (see below), whose sum is σ = 5541312. Its totient is φ = 2531520.
The previous prime is 3800807. The next prime is 3800857. The reversal of 3800825 is 5280083.
It is not a de Polignac number, because 3800825 - 26 = 3800761 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3800794 and 3800803.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6182 + ... + 6768.
It is an arithmetic number, because the mean of its divisors is an integer number (230888).
Almost surely, 23800825 is an apocalyptic number.
3800825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3800825 is a deficient number, since it is larger than the sum of its proper divisors (1740487).
3800825 is a wasteful number, since it uses less digits than its factorization.
3800825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641 (or 636 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 3800825 is about 1949.5704655129. The cubic root of 3800825 is about 156.0603672788.
The spelling of 3800825 in words is "three million, eight hundred thousand, eight hundred twenty-five".
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