Base | Representation |
---|---|
bin | 111001100110… |
… | …1000100110011 |
3 | 2002211022202210 |
4 | 1303031010303 |
5 | 30212400430 |
6 | 2555143203 |
7 | 514460661 |
oct | 163150463 |
9 | 62738683 |
10 | 30200115 |
11 | 16057880 |
12 | a144b03 |
13 | 63450ba |
14 | 4021c31 |
15 | 29b82b0 |
hex | 1ccd133 |
30200115 has 32 divisors (see below), whose sum is σ = 53254656. Its totient is φ = 14492160.
The previous prime is 30200099. The next prime is 30200117. The reversal of 30200115 is 51100203.
It is not a de Polignac number, because 30200115 - 24 = 30200099 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30200115.
It is not an unprimeable number, because it can be changed into a prime (30200117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16107 + ... + 17883.
It is an arithmetic number, because the mean of its divisors is an integer number (1664208).
Almost surely, 230200115 is an apocalyptic number.
30200115 is a deficient number, since it is larger than the sum of its proper divisors (23054541).
30200115 is a wasteful number, since it uses less digits than its factorization.
30200115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1899.
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 30200115 is about 5495.4631288000. The cubic root of 30200115 is about 311.4126132099.
Adding to 30200115 its reverse (51100203), we get a palindrome (81300318).
The spelling of 30200115 in words is "thirty million, two hundred thousand, one hundred fifteen".
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