Base | Representation |
---|---|
bin | 11111010010011011001000 |
3 | 120102200221010 |
4 | 133102123020 |
5 | 4044430203 |
6 | 451443520 |
7 | 126500220 |
oct | 37223310 |
9 | 16380833 |
10 | 8201928 |
11 | 46a2259 |
12 | 28b65a0 |
13 | 1912317 |
14 | 1137080 |
15 | ac0303 |
hex | 7d26c8 |
8201928 has 32 divisors (see below), whose sum is σ = 23434560. Its totient is φ = 2343360.
The previous prime is 8201911. The next prime is 8201929. The reversal of 8201928 is 8291028.
8201928 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 8201895 and 8201904.
It is not an unprimeable number, because it can be changed into a prime (8201929) 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, 24243 + ... + 24578.
It is an arithmetic number, because the mean of its divisors is an integer number (732330).
Almost surely, 28201928 is an apocalyptic number.
It is an amenable number.
8201928 is an abundant number, since it is smaller than the sum of its proper divisors (15232632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8201928 is a wasteful number, since it uses less digits than its factorization.
8201928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48837 (or 48833 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 8201928 is about 2863.9008362721. The cubic root of 8201928 is about 201.6687706297.
The spelling of 8201928 in words is "eight million, two hundred one thousand, nine hundred twenty-eight".
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