Base | Representation |
---|---|
bin | 1001111010010… |
… | …01111011001111 |
3 | 12210102222001111 |
4 | 10331021323033 |
5 | 132240442203 |
6 | 12125552451 |
7 | 2026452361 |
oct | 475117317 |
9 | 183388044 |
10 | 83140303 |
11 | 42a265a4 |
12 | 23a15727 |
13 | 142bc85c |
14 | b082d31 |
15 | 747426d |
hex | 4f49ecf |
83140303 has 4 divisors (see below), whose sum is σ = 86007240. Its totient is φ = 80273368.
The previous prime is 83140301. The next prime is 83140307. The reversal of 83140303 is 30304138.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30304138 = 2 ⋅15152069.
It is a cyclic number.
It is not a de Polignac number, because 83140303 - 21 = 83140301 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 (83140301) 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, 1433425 + ... + 1433482.
It is an arithmetic number, because the mean of its divisors is an integer number (21501810).
Almost surely, 283140303 is an apocalyptic number.
83140303 is a deficient number, since it is larger than the sum of its proper divisors (2866937).
83140303 is a wasteful number, since it uses less digits than its factorization.
83140303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2866936.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 83140303 is about 9118.1304553072. The cubic root of 83140303 is about 436.4527165741.
The spelling of 83140303 in words is "eighty-three million, one hundred forty thousand, three hundred three".
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