Base | Representation |
---|---|
bin | 1110111110011100111100 |
3 | 21101110012202 |
4 | 32332130330 |
5 | 2001111240 |
6 | 220051032 |
7 | 45240353 |
oct | 16763474 |
9 | 7343182 |
10 | 3925820 |
11 | 2241588 |
12 | 1393a78 |
13 | a75b92 |
14 | 74299a |
15 | 528315 |
hex | 3be73c |
3925820 has 12 divisors (see below), whose sum is σ = 8244264. Its totient is φ = 1570320.
The previous prime is 3925807. The next prime is 3925829. The reversal of 3925820 is 285293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3925829) 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, 98126 + ... + 98165.
It is an arithmetic number, because the mean of its divisors is an integer number (687022).
Almost surely, 23925820 is an apocalyptic number.
It is an amenable number.
3925820 is an abundant number, since it is smaller than the sum of its proper divisors (4318444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3925820 is a wasteful number, since it uses less digits than its factorization.
3925820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196300 (or 196298 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 3925820 is about 1981.3682141389. The cubic root of 3925820 is about 157.7526975645.
The spelling of 3925820 in words is "three million, nine hundred twenty-five thousand, eight hundred twenty".
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