Base | Representation |
---|---|
bin | 1010101011011… |
… | …00110111101001 |
3 | 20020112212122111 |
4 | 11111230313221 |
5 | 140412344024 |
6 | 12515522321 |
7 | 2135242165 |
oct | 525546751 |
9 | 206485574 |
10 | 89574889 |
11 | 46620a38 |
12 | 25bb93a1 |
13 | 157335c1 |
14 | bc79ca5 |
15 | 7ce5a94 |
hex | 556cde9 |
89574889 has 4 divisors (see below), whose sum is σ = 89845840. Its totient is φ = 89303940.
The previous prime is 89574883. The next prime is 89574893. The reversal of 89574889 is 98847598.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-89574889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89574883) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134979 + ... + 135640.
It is an arithmetic number, because the mean of its divisors is an integer number (22461460).
Almost surely, 289574889 is an apocalyptic number.
It is an amenable number.
89574889 is a deficient number, since it is larger than the sum of its proper divisors (270951).
89574889 is a wasteful number, since it uses less digits than its factorization.
89574889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270950.
The product of its digits is 5806080, while the sum is 58.
The square root of 89574889 is about 9464.4011432314. The cubic root of 89574889 is about 447.4337702512.
The spelling of 89574889 in words is "eighty-nine million, five hundred seventy-four thousand, eight hundred eighty-nine".
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