Base | Representation |
---|---|
bin | 111010110100… |
… | …1000000101100 |
3 | 2011000202220211 |
4 | 1311221000230 |
5 | 30343320303 |
6 | 3020552204 |
7 | 523061056 |
oct | 165510054 |
9 | 64022824 |
10 | 30838828 |
11 | 16453739 |
12 | a3b2664 |
13 | 6509a37 |
14 | 414a8d6 |
15 | 2a9266d |
hex | 1d6902c |
30838828 has 24 divisors (see below), whose sum is σ = 55314000. Its totient is φ = 15039168.
The previous prime is 30838823. The next prime is 30838849. The reversal of 30838828 is 82883803.
It is not an unprimeable number, because it can be changed into a prime (30838823) 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, 34726 + ... + 35602.
It is an arithmetic number, because the mean of its divisors is an integer number (2304750).
Almost surely, 230838828 is an apocalyptic number.
It is an amenable number.
30838828 is a deficient number, since it is larger than the sum of its proper divisors (24475172).
30838828 is a wasteful number, since it uses less digits than its factorization.
30838828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The square root of 30838828 is about 5553.2718283909. The cubic root of 30838828 is about 313.5927076215.
It can be divided in two parts, 3083 and 8828, that added together give a palindrome (11911).
The spelling of 30838828 in words is "thirty million, eight hundred thirty-eight thousand, eight hundred twenty-eight".
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