Base | Representation |
---|---|
bin | 1001111010110… |
… | …01011101010101 |
3 | 12210120012022212 |
4 | 10331121131111 |
5 | 132300011200 |
6 | 12131203205 |
7 | 2030136020 |
oct | 475313525 |
9 | 183505285 |
10 | 83203925 |
11 | 42a6a382 |
12 | 23a46505 |
13 | 143127bc |
14 | b09c1b7 |
15 | 7488035 |
hex | 4f59755 |
83203925 has 24 divisors (see below), whose sum is σ = 120664896. Its totient is φ = 55722240.
The previous prime is 83203921. The next prime is 83203937. The reversal of 83203925 is 52930238.
It is not a de Polignac number, because 83203925 - 22 = 83203921 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 83203891 and 83203900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83203921) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1997 + ... + 13053.
It is an arithmetic number, because the mean of its divisors is an integer number (5027704).
Almost surely, 283203925 is an apocalyptic number.
It is an amenable number.
83203925 is a deficient number, since it is larger than the sum of its proper divisors (37460971).
83203925 is a wasteful number, since it uses less digits than its factorization.
83203925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11117 (or 11112 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 83203925 is about 9121.6185515510. The cubic root of 83203925 is about 436.5640180477.
The spelling of 83203925 in words is "eighty-three million, two hundred three thousand, nine hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •