Base | Representation |
---|---|
bin | 111010110001010110000 |
3 | 10121211201020 |
4 | 13112022300 |
5 | 443111213 |
6 | 105135440 |
7 | 22240413 |
oct | 7261260 |
9 | 3554636 |
10 | 1925808 |
11 | 10a5985 |
12 | 78a580 |
13 | 525741 |
14 | 381b7a |
15 | 280923 |
hex | 1d62b0 |
1925808 has 40 divisors (see below), whose sum is σ = 5075568. Its totient is φ = 628992.
The previous prime is 1925801. The next prime is 1925827. The reversal of 1925808 is 8085291.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1925801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166 + ... + 2922.
21925808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1925808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2537784).
1925808 is an abundant number, since it is smaller than the sum of its proper divisors (3149760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1925808 is a wasteful number, since it uses less digits than its factorization.
1925808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 821 (or 815 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 1925808 is about 1387.7348449902. The cubic root of 1925808 is about 124.4144991251.
It can be divided in two parts, 192 and 5808, that multiplied together give a square (1115136 = 10562).
The spelling of 1925808 in words is "one million, nine hundred twenty-five thousand, eight hundred eight".
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