Base | Representation |
---|---|
bin | 1000100100101… |
… | …10101010011011 |
3 | 12000022221002012 |
4 | 10102112222123 |
5 | 121402422113 |
6 | 11045300135 |
7 | 1532212061 |
oct | 422265233 |
9 | 160287065 |
10 | 71920283 |
11 | 37662856 |
12 | 2010464b |
13 | 11b918a6 |
14 | 97a2031 |
15 | 64a9aa8 |
hex | 4496a9b |
71920283 has 2 divisors, whose sum is σ = 71920284. Its totient is φ = 71920282.
The previous prime is 71920259. The next prime is 71920307. The reversal of 71920283 is 38202917.
It is a balanced prime because it is at equal distance from previous prime (71920259) and next prime (71920307).
It is an emirp because it is prime and its reverse (38202917) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 71920283 - 214 = 71903899 is a prime.
It is not a weakly prime, because it can be changed into another prime (71920213) 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 as a sum of consecutive naturals, namely, 35960141 + 35960142.
It is an arithmetic number, because the mean of its divisors is an integer number (35960142).
Almost surely, 271920283 is an apocalyptic number.
71920283 is a deficient number, since it is larger than the sum of its proper divisors (1).
71920283 is an equidigital number, since it uses as much as digits as its factorization.
71920283 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 71920283 is about 8480.5827040363. The cubic root of 71920283 is about 415.8631726876.
The spelling of 71920283 in words is "seventy-one million, nine hundred twenty thousand, two hundred eighty-three".
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