Base | Representation |
---|---|
bin | 111001100110… |
… | …1000111110111 |
3 | 2002211100001001 |
4 | 1303031013313 |
5 | 30212402221 |
6 | 2555144131 |
7 | 514461361 |
oct | 163150767 |
9 | 62740031 |
10 | 30200311 |
11 | 16057a39 |
12 | a145047 |
13 | 634520b |
14 | 4021d31 |
15 | 29b8391 |
hex | 1ccd1f7 |
30200311 has 4 divisors (see below), whose sum is σ = 31513392. Its totient is φ = 28887232.
The previous prime is 30200309. The next prime is 30200323. The reversal of 30200311 is 11300203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11300203 = 1571 ⋅7193.
It is a cyclic number.
It is not a de Polignac number, because 30200311 - 21 = 30200309 is a prime.
It is a super-3 number, since 3×302003113 (a number of 23 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30200341) 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, 656506 + ... + 656551.
It is an arithmetic number, because the mean of its divisors is an integer number (7878348).
Almost surely, 230200311 is an apocalyptic number.
30200311 is a deficient number, since it is larger than the sum of its proper divisors (1313081).
30200311 is a wasteful number, since it uses less digits than its factorization.
30200311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1313080.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 30200311 is about 5495.4809616630. The cubic root of 30200311 is about 311.4132869020.
Adding to 30200311 its reverse (11300203), we get a palindrome (41500514).
The spelling of 30200311 in words is "thirty million, two hundred thousand, three hundred eleven".
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