Base | Representation |
---|---|
bin | 111001110001… |
… | …1111101001101 |
3 | 2010000002022222 |
4 | 1303203331031 |
5 | 30223400322 |
6 | 3001145125 |
7 | 515331140 |
oct | 163437515 |
9 | 63002288 |
10 | 30293837 |
11 | 16111232 |
12 | a18b1a5 |
13 | 6378962 |
14 | 4048057 |
15 | 29d5e42 |
hex | 1ce3f4d |
30293837 has 8 divisors (see below), whose sum is σ = 34670016. Its totient is φ = 25929792.
The previous prime is 30293833. The next prime is 30293843. The reversal of 30293837 is 73839203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30293837 - 22 = 30293833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30293797 and 30293806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30293833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173 + ... + 8405.
It is an arithmetic number, because the mean of its divisors is an integer number (4333752).
Almost surely, 230293837 is an apocalyptic number.
It is an amenable number.
30293837 is a deficient number, since it is larger than the sum of its proper divisors (4376179).
30293837 is an equidigital number, since it uses as much as digits as its factorization.
30293837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6067.
The product of its (nonzero) digits is 27216, while the sum is 35.
The square root of 30293837 is about 5503.9837390748. The cubic root of 30293837 is about 311.7344229453.
The spelling of 30293837 in words is "thirty million, two hundred ninety-three thousand, eight hundred thirty-seven".
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