Base | Representation |
---|---|
bin | 111010110000… |
… | …1000000010000 |
3 | 2010222002221011 |
4 | 1311201000100 |
5 | 30341243112 |
6 | 3020140304 |
7 | 522563335 |
oct | 165410020 |
9 | 63862834 |
10 | 30806032 |
11 | 16431034 |
12 | a397694 |
13 | 64c7b2a |
14 | 413c98c |
15 | 2a87aa7 |
hex | 1d61010 |
30806032 has 20 divisors (see below), whose sum is σ = 59795280. Its totient is φ = 15375008.
The previous prime is 30806029. The next prime is 30806053. The reversal of 30806032 is 23060803.
It is a junction number, because it is equal to n+sod(n) for n = 30805994 and 30806012.
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, 9519 + ... + 12337.
It is an arithmetic number, because the mean of its divisors is an integer number (2989764).
Almost surely, 230806032 is an apocalyptic number.
It is an amenable number.
30806032 is a deficient number, since it is larger than the sum of its proper divisors (28989248).
30806032 is a wasteful number, since it uses less digits than its factorization.
30806032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3510 (or 3504 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30806032 is about 5550.3181890771. The cubic root of 30806032 is about 313.4815032834.
Adding to 30806032 its reverse (23060803), we get a palindrome (53866835).
The spelling of 30806032 in words is "thirty million, eight hundred six thousand, thirty-two".
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