Base | Representation |
---|---|
bin | 111001111010… |
… | …1110111100101 |
3 | 2010010210222022 |
4 | 1303311313211 |
5 | 30233222310 |
6 | 3002512525 |
7 | 516055061 |
oct | 163656745 |
9 | 63123868 |
10 | 30367205 |
11 | 16161370 |
12 | a205745 |
13 | 63a317b |
14 | 4066aa1 |
15 | 29eca55 |
hex | 1cf5de5 |
30367205 has 32 divisors (see below), whose sum is σ = 41817600. Its totient is φ = 20966400.
The previous prime is 30367177. The next prime is 30367223. The reversal of 30367205 is 50276303.
It is a de Polignac number, because none of the positive numbers 2k-30367205 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125885 + ... + 126125.
It is an arithmetic number, because the mean of its divisors is an integer number (1306800).
Almost surely, 230367205 is an apocalyptic number.
It is an amenable number.
30367205 is a deficient number, since it is larger than the sum of its proper divisors (11450395).
30367205 is a wasteful number, since it uses less digits than its factorization.
30367205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365.
The product of its (nonzero) digits is 3780, while the sum is 26.
The square root of 30367205 is about 5510.6446991255. The cubic root of 30367205 is about 311.9858810453.
The spelling of 30367205 in words is "thirty million, three hundred sixty-seven thousand, two hundred five".
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