Base | Representation |
---|---|
bin | 111010110100… |
… | …0110110111011 |
3 | 2011000202001200 |
4 | 1311220312323 |
5 | 30343310303 |
6 | 3020545243 |
7 | 523056204 |
oct | 165506673 |
9 | 64022050 |
10 | 30838203 |
11 | 16453220 |
12 | a3b2223 |
13 | 6509676 |
14 | 414a5ab |
15 | 2a923a3 |
hex | 1d68dbb |
30838203 has 24 divisors (see below), whose sum is σ = 49221120. Its totient is φ = 18448560.
The previous prime is 30838189. The next prime is 30838217. The reversal of 30838203 is 30283803.
It is an interprime number because it is at equal distance from previous prime (30838189) and next prime (30838217).
It is not a de Polignac number, because 30838203 - 26 = 30838139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30838243) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5850 + ... + 9792.
It is an arithmetic number, because the mean of its divisors is an integer number (2050880).
Almost surely, 230838203 is an apocalyptic number.
30838203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30838203 is a deficient number, since it is larger than the sum of its proper divisors (18382917).
30838203 is a wasteful number, since it uses less digits than its factorization.
30838203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4039 (or 4036 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30838203 is about 5553.2155549735. The cubic root of 30838203 is about 313.5905891150.
The spelling of 30838203 in words is "thirty million, eight hundred thirty-eight thousand, two hundred three".
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