Base | Representation |
---|---|
bin | 111001100101… |
… | …1100110111111 |
3 | 2002211000112102 |
4 | 1303023212333 |
5 | 30212202421 |
6 | 2555055315 |
7 | 514434323 |
oct | 163134677 |
9 | 62730472 |
10 | 30194111 |
11 | 16053312 |
12 | a14153b |
13 | 634244c |
14 | 401d983 |
15 | 29b660b |
hex | 1ccb9bf |
30194111 has 4 divisors (see below), whose sum is σ = 30394224. Its totient is φ = 29994000.
The previous prime is 30194077. The next prime is 30194113. The reversal of 30194111 is 11149103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11149103 = 7 ⋅1592729.
It is a cyclic number.
It is not a de Polignac number, because 30194111 - 214 = 30177727 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30194113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99830 + ... + 100131.
It is an arithmetic number, because the mean of its divisors is an integer number (7598556).
Almost surely, 230194111 is an apocalyptic number.
30194111 is a deficient number, since it is larger than the sum of its proper divisors (200113).
30194111 is a wasteful number, since it uses less digits than its factorization.
30194111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200112.
The product of its (nonzero) digits is 108, while the sum is 20.
The square root of 30194111 is about 5494.9168328556. The cubic root of 30194111 is about 311.3919748200.
The spelling of 30194111 in words is "thirty million, one hundred ninety-four thousand, one hundred eleven".
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