Base | Representation |
---|---|
bin | 111010110110… |
… | …0011111110001 |
3 | 2011001111111121 |
4 | 1311230133301 |
5 | 30344244410 |
6 | 3021142241 |
7 | 523150513 |
oct | 165543761 |
9 | 64044447 |
10 | 30853105 |
11 | 16463438 |
12 | a3ba981 |
13 | 651339a |
14 | 4151bb3 |
15 | 2a969da |
hex | 1d6c7f1 |
30853105 has 8 divisors (see below), whose sum is σ = 37065600. Its totient is φ = 24654576.
The previous prime is 30853087. The next prime is 30853111. The reversal of 30853105 is 50135803.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30853105 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30853105.
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, 2226 + ... + 8164.
It is an arithmetic number, because the mean of its divisors is an integer number (4633200).
Almost surely, 230853105 is an apocalyptic number.
It is an amenable number.
30853105 is a deficient number, since it is larger than the sum of its proper divisors (6212495).
30853105 is a wasteful number, since it uses less digits than its factorization.
30853105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6983.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 30853105 is about 5554.5571380624. The cubic root of 30853105 is about 313.6410932946.
Adding to 30853105 its reverse (50135803), we get a palindrome (80988908).
It can be divided in two parts, 308 and 53105, that multiplied together give a triangular number (16356340 = T5719).
The spelling of 30853105 in words is "thirty million, eight hundred fifty-three thousand, one hundred five".
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