Base | Representation |
---|---|
bin | 1001111111000… |
… | …01100011011001 |
3 | 12211121111222221 |
4 | 10333201203121 |
5 | 132420330434 |
6 | 12151144041 |
7 | 2034650146 |
oct | 477414331 |
9 | 184544887 |
10 | 83761369 |
11 | 4331017a |
12 | 24075021 |
13 | 14479453 |
14 | b1a53cd |
15 | 75482b4 |
hex | 4fe18d9 |
83761369 has 2 divisors, whose sum is σ = 83761370. Its totient is φ = 83761368.
The previous prime is 83761313. The next prime is 83761387. The reversal of 83761369 is 96316738.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 69222400 + 14538969 = 8320^2 + 3813^2 .
It is a cyclic number.
It is not a de Polignac number, because 83761369 - 211 = 83759321 is a prime.
It is a super-2 number, since 2×837613692 = 14031933873508322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (83761169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41880684 + 41880685.
It is an arithmetic number, because the mean of its divisors is an integer number (41880685).
Almost surely, 283761369 is an apocalyptic number.
It is an amenable number.
83761369 is a deficient number, since it is larger than the sum of its proper divisors (1).
83761369 is an equidigital number, since it uses as much as digits as its factorization.
83761369 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 163296, while the sum is 43.
The square root of 83761369 is about 9152.1237426075. The cubic root of 83761369 is about 437.5368027816.
The spelling of 83761369 in words is "eighty-three million, seven hundred sixty-one thousand, three hundred sixty-nine".
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