Base | Representation |
---|---|
bin | 111001110000… |
… | …1100000110100 |
3 | 2002222120121021 |
4 | 1303201200310 |
5 | 30223040303 |
6 | 3001030524 |
7 | 515260021 |
oct | 163414064 |
9 | 62876537 |
10 | 30283828 |
11 | 16104763 |
12 | a185444 |
13 | 6374233 |
14 | 4044548 |
15 | 29d2ebd |
hex | 1ce1834 |
30283828 has 12 divisors (see below), whose sum is σ = 53048772. Its totient is φ = 15127040.
The previous prime is 30283769. The next prime is 30283849. The reversal of 30283828 is 82838203.
It can be written as a sum of positive squares in 2 ways, for example, as 4761124 + 25522704 = 2182^2 + 5052^2 .
It is a super-2 number, since 2×302838282 = 1834220476667168, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30283793 and 30283802.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1758 + ... + 7978.
It is an arithmetic number, because the mean of its divisors is an integer number (4420731).
Almost surely, 230283828 is an apocalyptic number.
It is an amenable number.
30283828 is a deficient number, since it is larger than the sum of its proper divisors (22764944).
30283828 is a wasteful number, since it uses less digits than its factorization.
30283828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7442 (or 7440 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 30283828 is about 5503.0744134529. The cubic root of 30283828 is about 311.7000870996.
The spelling of 30283828 in words is "thirty million, two hundred eighty-three thousand, eight hundred twenty-eight".
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