Base | Representation |
---|---|
bin | 111001100111… |
… | …0010110100011 |
3 | 2002211120221120 |
4 | 1303032112203 |
5 | 30213032342 |
6 | 2555223323 |
7 | 514512144 |
oct | 163162643 |
9 | 62746846 |
10 | 30205347 |
11 | 160607a7 |
12 | a147b43 |
13 | 63475b3 |
14 | 4023acb |
15 | 29b9aec |
hex | 1cce5a3 |
30205347 has 4 divisors (see below), whose sum is σ = 40273800. Its totient is φ = 20136896.
The previous prime is 30205337. The next prime is 30205361. The reversal of 30205347 is 74350203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30205347 - 212 = 30201251 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30205337) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5034222 + ... + 5034227.
It is an arithmetic number, because the mean of its divisors is an integer number (10068450).
Almost surely, 230205347 is an apocalyptic number.
30205347 is a deficient number, since it is larger than the sum of its proper divisors (10068453).
30205347 is a wasteful number, since it uses less digits than its factorization.
30205347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10068452.
The product of its (nonzero) digits is 2520, while the sum is 24.
The square root of 30205347 is about 5495.9391372176. The cubic root of 30205347 is about 311.4305956658.
The spelling of 30205347 in words is "thirty million, two hundred five thousand, three hundred forty-seven".
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