Base | Representation |
---|---|
bin | 1010101001100… |
… | …11111011110001 |
3 | 20020010000202011 |
4 | 11110303323301 |
5 | 140332413211 |
6 | 12510522521 |
7 | 2133251242 |
oct | 524637361 |
9 | 206100664 |
10 | 89341681 |
11 | 46481800 |
12 | 25b06441 |
13 | 15681400 |
14 | bc18cc9 |
15 | 7c9b921 |
hex | 5533ef1 |
89341681 has 36 divisors (see below), whose sum is σ = 113030316. Its totient is φ = 70287360.
The previous prime is 89341669. The next prime is 89341687. The reversal of 89341681 is 18614398.
It can be written as a sum of positive squares in 6 ways, for example, as 680625 + 88661056 = 825^2 + 9416^2 .
It is not a de Polignac number, because 89341681 - 25 = 89341649 is a prime.
It is a super-2 number, since 2×893416812 = 15963871927811522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89341687) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 347505 + ... + 347761.
It is an arithmetic number, because the mean of its divisors is an integer number (3139731).
Almost surely, 289341681 is an apocalyptic number.
It is an amenable number.
89341681 is a deficient number, since it is larger than the sum of its proper divisors (23688635).
89341681 is a wasteful number, since it uses less digits than its factorization.
89341681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 298 counting only the distinct ones).
The product of its digits is 41472, while the sum is 40.
The square root of 89341681 is about 9452.0728414459. The cubic root of 89341681 is about 447.0451352175.
The spelling of 89341681 in words is "eighty-nine million, three hundred forty-one thousand, six hundred eighty-one".
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