Base | Representation |
---|---|
bin | 111001101011… |
… | …0010110011001 |
3 | 2002220020212211 |
4 | 1303112112121 |
5 | 30220104410 |
6 | 3000035121 |
7 | 515006512 |
oct | 163262631 |
9 | 62806784 |
10 | 30238105 |
11 | 16083377 |
12 | a162aa1 |
13 | 6359491 |
14 | 4031a09 |
15 | 29c468a |
hex | 1cd6599 |
30238105 has 8 divisors (see below), whose sum is σ = 36827712. Its totient is φ = 23829168.
The previous prime is 30238099. The next prime is 30238147. The reversal of 30238105 is 50183203.
30238105 = 482 + 492 + ... + 4492.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30238105 - 29 = 30237593 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44797 + ... + 45466.
It is an arithmetic number, because the mean of its divisors is an integer number (4603464).
Almost surely, 230238105 is an apocalyptic number.
It is an amenable number.
30238105 is a deficient number, since it is larger than the sum of its proper divisors (6589607).
30238105 is an equidigital number, since it uses as much as digits as its factorization.
30238105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90335.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 30238105 is about 5498.9185300384. The cubic root of 30238105 is about 311.5431381866.
The spelling of 30238105 in words is "thirty million, two hundred thirty-eight thousand, one hundred five".
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