Base | Representation |
---|---|
bin | 111010110111… |
… | …1101111001001 |
3 | 2011002011201011 |
4 | 1311233233021 |
5 | 30400211002 |
6 | 3021323521 |
7 | 523234303 |
oct | 165575711 |
9 | 64064634 |
10 | 30866377 |
11 | 16472403 |
12 | a4065a1 |
13 | 6519439 |
14 | 4156973 |
15 | 2a9a8d7 |
hex | 1d6fbc9 |
30866377 has 2 divisors, whose sum is σ = 30866378. Its totient is φ = 30866376.
The previous prime is 30866347. The next prime is 30866417. The reversal of 30866377 is 77366803.
It is an a-pointer prime, because the next prime (30866417) can be obtained adding 30866377 to its sum of digits (40).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21013056 + 9853321 = 4584^2 + 3139^2 .
It is a cyclic number.
It is not a de Polignac number, because 30866377 - 223 = 22477769 is a prime.
It is a super-2 number, since 2×308663772 = 1905466458212258, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30866347) 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 as a sum of consecutive naturals, namely, 15433188 + 15433189.
It is an arithmetic number, because the mean of its divisors is an integer number (15433189).
Almost surely, 230866377 is an apocalyptic number.
It is an amenable number.
30866377 is a deficient number, since it is larger than the sum of its proper divisors (1).
30866377 is an equidigital number, since it uses as much as digits as its factorization.
30866377 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 127008, while the sum is 40.
The square root of 30866377 is about 5555.7517043151. The cubic root of 30866377 is about 313.6860595722.
The spelling of 30866377 in words is "thirty million, eight hundred sixty-six thousand, three hundred seventy-seven".
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