Base | Representation |
---|---|
bin | 1001111010110… |
… | …11001010000100 |
3 | 12210120112212121 |
4 | 10331123022010 |
5 | 132300222014 |
6 | 12131255324 |
7 | 2030165221 |
oct | 475331204 |
9 | 183515777 |
10 | 83210884 |
11 | 42a74629 |
12 | 23a4a544 |
13 | 14315a13 |
14 | b0a0948 |
15 | 748a124 |
hex | 4f5b284 |
83210884 has 9 divisors (see below), whose sum is σ = 145650981. Its totient is φ = 41596320.
The previous prime is 83210867. The next prime is 83210887. The reversal of 83210884 is 48801238.
The square root of 83210884 is 9122.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 27857284 + 55353600 = 5278^2 + 7440^2 .
It is a super-2 number, since 2×832108842 = 13848102432122912, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83210887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15964 + ... + 20524.
Almost surely, 283210884 is an apocalyptic number.
83210884 is the 9122-nd square number.
It is an amenable number.
83210884 is a deficient number, since it is larger than the sum of its proper divisors (62440097).
83210884 is an frugal number, since it uses more digits than its factorization.
83210884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9126 (or 4563 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The cubic root of 83210884 is about 436.5761888049.
The spelling of 83210884 in words is "eighty-three million, two hundred ten thousand, eight hundred eighty-four".
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