Base | Representation |
---|---|
bin | 1010101100100… |
… | …01110111001000 |
3 | 20020211120111022 |
4 | 11112101313020 |
5 | 140432221113 |
6 | 12523052012 |
7 | 2136443012 |
oct | 526216710 |
9 | 206746438 |
10 | 89726408 |
11 | 46714862 |
12 | 26071008 |
13 | 15787565 |
14 | bcb91b2 |
15 | 7d25908 |
hex | 5591dc8 |
89726408 has 36 divisors (see below), whose sum is σ = 179627235. Its totient is φ = 42009856.
The previous prime is 89726401. The next prime is 89726411. The reversal of 89726408 is 80462798.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 87647044 + 2079364 = 9362^2 + 1442^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=6698.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89726401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 455366 + ... + 455562.
Almost surely, 289726408 is an apocalyptic number.
It is an amenable number.
89726408 is an abundant number, since it is smaller than the sum of its proper divisors (89900827).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89726408 is a wasteful number, since it uses less digits than its factorization.
89726408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434 (or 216 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 89726408 is about 9472.4024407750. The cubic root of 89726408 is about 447.6859113306.
The spelling of 89726408 in words is "eighty-nine million, seven hundred twenty-six thousand, four hundred eight".
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