Base | Representation |
---|---|
bin | 1001111000011… |
… | …01100101001011 |
3 | 12202222101222222 |
4 | 10330031211023 |
5 | 132210040011 |
6 | 12120404255 |
7 | 2024402636 |
oct | 474154513 |
9 | 182871888 |
10 | 82893131 |
11 | 42877922 |
12 | 2391668b |
13 | 142341b9 |
14 | b01ac1d |
15 | 7425ddb |
hex | 4f0d94b |
82893131 has 2 divisors, whose sum is σ = 82893132. Its totient is φ = 82893130.
The previous prime is 82893091. The next prime is 82893133. The reversal of 82893131 is 13139828.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 82893131 - 214 = 82876747 is a prime.
It is a super-2 number, since 2×828931312 = 13742542333966322, which contains 22 as substring.
Together with 82893133, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 82893091 and 82893100.
It is not a weakly prime, because it can be changed into another prime (82893133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41446565 + 41446566.
It is an arithmetic number, because the mean of its divisors is an integer number (41446566).
Almost surely, 282893131 is an apocalyptic number.
82893131 is a deficient number, since it is larger than the sum of its proper divisors (1).
82893131 is an equidigital number, since it uses as much as digits as its factorization.
82893131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10368, while the sum is 35.
The square root of 82893131 is about 9104.5664916019. The cubic root of 82893131 is about 436.0197698159.
The spelling of 82893131 in words is "eighty-two million, eight hundred ninety-three thousand, one hundred thirty-one".
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