Base | Representation |
---|---|
bin | 111001100111… |
… | …0010110110101 |
3 | 2002211120222020 |
4 | 1303032112311 |
5 | 30213032430 |
6 | 2555223353 |
7 | 514512201 |
oct | 163162665 |
9 | 62746866 |
10 | 30205365 |
11 | 16060813 |
12 | a147b59 |
13 | 63475c8 |
14 | 4023b01 |
15 | 29b9b10 |
hex | 1cce5b5 |
30205365 has 16 divisors (see below), whose sum is σ = 48427200. Its totient is φ = 16076672.
The previous prime is 30205361. The next prime is 30205369. The reversal of 30205365 is 56350203.
It is an interprime number because it is at equal distance from previous prime (30205361) and next prime (30205369).
It is a cyclic number.
It is not a de Polignac number, because 30205365 - 22 = 30205361 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30205361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766 + ... + 10304.
It is an arithmetic number, because the mean of its divisors is an integer number (3026700).
Almost surely, 230205365 is an apocalyptic number.
It is an amenable number.
30205365 is a deficient number, since it is larger than the sum of its proper divisors (18221835).
30205365 is a wasteful number, since it uses less digits than its factorization.
30205365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4116.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 30205365 is about 5495.9407747901. The cubic root of 30205365 is about 311.4306575285.
Adding to 30205365 its reverse (56350203), we get a palindrome (86555568).
It can be divided in two parts, 3020 and 5365, that added together give a triangular number (8385 = T129).
The spelling of 30205365 in words is "thirty million, two hundred five thousand, three hundred sixty-five".
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