Base | Representation |
---|---|
bin | 1010101010001… |
… | …11000000100101 |
3 | 20020020222220221 |
4 | 11111013000211 |
5 | 140342413223 |
6 | 12512324341 |
7 | 2134025110 |
oct | 525070045 |
9 | 206228827 |
10 | 89419813 |
11 | 4652547a |
12 | 25b436b1 |
13 | 156aab42 |
14 | bc39577 |
15 | 7cb4b5d |
hex | 5547025 |
89419813 has 16 divisors (see below), whose sum is σ = 109434240. Its totient is φ = 71318016.
The previous prime is 89419807. The next prime is 89419829. The reversal of 89419813 is 31891498.
It is not a de Polignac number, because 89419813 - 217 = 89288741 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 89419813.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89419843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6370 + ... + 14812.
It is an arithmetic number, because the mean of its divisors is an integer number (6839640).
Almost surely, 289419813 is an apocalyptic number.
It is an amenable number.
89419813 is a deficient number, since it is larger than the sum of its proper divisors (20014427).
89419813 is a wasteful number, since it uses less digits than its factorization.
89419813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8556.
The product of its digits is 62208, while the sum is 43.
The square root of 89419813 is about 9456.2049998929. The cubic root of 89419813 is about 447.1754154072.
The spelling of 89419813 in words is "eighty-nine million, four hundred nineteen thousand, eight hundred thirteen".
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