Base | Representation |
---|---|
bin | 111001100111… |
… | …0101001100000 |
3 | 2002211122121111 |
4 | 1303032221200 |
5 | 30213102220 |
6 | 2555233104 |
7 | 514515526 |
oct | 163165140 |
9 | 62748544 |
10 | 30206560 |
11 | 160616aa |
12 | a148794 |
13 | 6348007 |
14 | 4024316 |
15 | 29ba15a |
hex | 1ccea60 |
30206560 has 24 divisors (see below), whose sum is σ = 71363376. Its totient is φ = 12082560.
The previous prime is 30206557. The next prime is 30206587. The reversal of 30206560 is 6560203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94236 + ... + 94555.
It is an arithmetic number, because the mean of its divisors is an integer number (2973474).
Almost surely, 230206560 is an apocalyptic number.
It is an amenable number.
30206560 is an abundant number, since it is smaller than the sum of its proper divisors (41156816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30206560 is a wasteful number, since it uses less digits than its factorization.
30206560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188806 (or 188798 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 30206560 is about 5496.0494903157. The cubic root of 30206560 is about 311.4347644670.
Adding to 30206560 its reverse (6560203), we get a palindrome (36766763).
The spelling of 30206560 in words is "thirty million, two hundred six thousand, five hundred sixty".
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