Base | Representation |
---|---|
bin | 1100011111010… |
… | …10110110101101 |
3 | 21022010220210000 |
4 | 12033222312231 |
5 | 203310132424 |
6 | 14221334513 |
7 | 2411352531 |
oct | 617526655 |
9 | 238126700 |
10 | 104770989 |
11 | 5415aaa4 |
12 | 2b107439 |
13 | 1892428b |
14 | dcb3bc1 |
15 | 92e83c9 |
hex | 63eadad |
104770989 has 20 divisors (see below), whose sum is σ = 157578300. Its totient is φ = 69370560.
The previous prime is 104770969. The next prime is 104770993. The reversal of 104770989 is 989077401.
It can be written as a sum of positive squares in 2 ways, for example, as 48024900 + 56746089 = 6930^2 + 7533^2 .
It is a de Polignac number, because none of the positive numbers 2k-104770989 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104770969) 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 19 ways as a sum of consecutive naturals, for example, 7729 + ... + 16409.
It is an arithmetic number, because the mean of its divisors is an integer number (7878915).
Almost surely, 2104770989 is an apocalyptic number.
It is an amenable number.
104770989 is a deficient number, since it is larger than the sum of its proper divisors (52807311).
104770989 is an equidigital number, since it uses as much as digits as its factorization.
104770989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8842 (or 8833 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 45.
The square root of 104770989 is about 10235.7700736193. The cubic root of 104770989 is about 471.4261630337.
The spelling of 104770989 in words is "one hundred four million, seven hundred seventy thousand, nine hundred eighty-nine".
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