Base | Representation |
---|---|
bin | 111001110101… |
… | …1101110000101 |
3 | 2010001200221202 |
4 | 1303223232011 |
5 | 30230410022 |
6 | 3001552245 |
7 | 515522636 |
oct | 163535605 |
9 | 63050852 |
10 | 30325637 |
11 | 16133111 |
12 | a1a5685 |
13 | 638a284 |
14 | 405588d |
15 | 29e0592 |
hex | 1cebb85 |
30325637 has 6 divisors (see below), whose sum is σ = 32214738. Its totient is φ = 28541504.
The previous prime is 30325597. The next prime is 30325663. The reversal of 30325637 is 73652303.
It can be written as a sum of positive squares in 3 ways, for example, as 11930116 + 18395521 = 3454^2 + 4289^2 .
It is not a de Polignac number, because 30325637 - 212 = 30321541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30325667) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52178 + ... + 52755.
It is an arithmetic number, because the mean of its divisors is an integer number (5369123).
Almost surely, 230325637 is an apocalyptic number.
It is an amenable number.
30325637 is a deficient number, since it is larger than the sum of its proper divisors (1889101).
30325637 is a wasteful number, since it uses less digits than its factorization.
30325637 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104967 (or 104950 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 29.
The square root of 30325637 is about 5506.8717980356. The cubic root of 30325637 is about 311.8434625936.
The spelling of 30325637 in words is "thirty million, three hundred twenty-five thousand, six hundred thirty-seven".
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