Base | Representation |
---|---|
bin | 111001011011… |
… | …1100000110100 |
3 | 2002122211121201 |
4 | 1302313200310 |
5 | 30202034141 |
6 | 2553222244 |
7 | 513642331 |
oct | 162674064 |
9 | 62584551 |
10 | 30111796 |
11 | 15aa7490 |
12 | a101984 |
13 | 6313b40 |
14 | 3ddb988 |
15 | 299c031 |
hex | 1cb7834 |
30111796 has 48 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 12412800.
The previous prime is 30111787. The next prime is 30111797. The reversal of 30111796 is 69711103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30111797) 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 15 ways as a sum of consecutive naturals, for example, 34461 + ... + 35323.
It is an arithmetic number, because the mean of its divisors is an integer number (1312416).
Almost surely, 230111796 is an apocalyptic number.
It is an amenable number.
30111796 is an abundant number, since it is smaller than the sum of its proper divisors (32884172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111796 is a wasteful number, since it uses less digits than its factorization.
30111796 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 952 (or 950 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 28.
The square root of 30111796 is about 5487.4216167523. The cubic root of 30111796 is about 311.1087456547.
Adding to 30111796 its reverse (69711103), we get a palindrome (99822899).
The spelling of 30111796 in words is "thirty million, one hundred eleven thousand, seven hundred ninety-six".
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