Base | Representation |
---|---|
bin | 1100011111110… |
… | …01100100111011 |
3 | 21022020222111102 |
4 | 12033321210323 |
5 | 203314100131 |
6 | 14222522015 |
7 | 2412023405 |
oct | 617714473 |
9 | 238228442 |
10 | 104831291 |
11 | 541a1334 |
12 | 2b13630b |
13 | 18945866 |
14 | dccbb75 |
15 | 930b1cb |
hex | 63f993b |
104831291 has 8 divisors (see below), whose sum is σ = 109553664. Its totient is φ = 100212840.
The previous prime is 104831281. The next prime is 104831327. The reversal of 104831291 is 192138401.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 104831291 - 210 = 104830267 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (104831281) 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 7 ways as a sum of consecutive naturals, for example, 23915 + ... + 27956.
It is an arithmetic number, because the mean of its divisors is an integer number (13694208).
Almost surely, 2104831291 is an apocalyptic number.
104831291 is a deficient number, since it is larger than the sum of its proper divisors (4722373).
104831291 is an equidigital number, since it uses as much as digits as its factorization.
104831291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51961.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 104831291 is about 10238.7153002708. The cubic root of 104831291 is about 471.5165903823.
Adding to 104831291 its reverse (192138401), we get a palindrome (296969692).
The spelling of 104831291 in words is "one hundred four million, eight hundred thirty-one thousand, two hundred ninety-one".
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