Base | Representation |
---|---|
bin | 111010110000… |
… | …1000001011010 |
3 | 2010222010000220 |
4 | 1311201001122 |
5 | 30341243411 |
6 | 3020140510 |
7 | 522563502 |
oct | 165410132 |
9 | 63863026 |
10 | 30806106 |
11 | 164310a1 |
12 | a397736 |
13 | 64c7b86 |
14 | 413ca02 |
15 | 2a87b06 |
hex | 1d6105a |
30806106 has 16 divisors (see below), whose sum is σ = 64855200. Its totient is φ = 9728208.
The previous prime is 30806101. The next prime is 30806107. The reversal of 30806106 is 60160803.
It is not an unprimeable number, because it can be changed into a prime (30806101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135001 + ... + 135228.
It is an arithmetic number, because the mean of its divisors is an integer number (4053450).
Almost surely, 230806106 is an apocalyptic number.
30806106 is an abundant number, since it is smaller than the sum of its proper divisors (34049094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30806106 is a wasteful number, since it uses less digits than its factorization.
30806106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270253.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 30806106 is about 5550.3248553576. The cubic root of 30806106 is about 313.4817542907.
Adding to 30806106 its reverse (60160803), we get a palindrome (90966909).
The spelling of 30806106 in words is "thirty million, eight hundred six thousand, one hundred six".
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