Base | Representation |
---|---|
bin | 1010101100000… |
… | …10101001010101 |
3 | 20020201102000001 |
4 | 11112002221111 |
5 | 140423222320 |
6 | 12521451301 |
7 | 2136063220 |
oct | 526025125 |
9 | 206642001 |
10 | 89664085 |
11 | 46681a55 |
12 | 26040b31 |
13 | 15765094 |
14 | bca05b7 |
15 | 7d1220a |
hex | 5582a55 |
89664085 has 16 divisors (see below), whose sum is σ = 127209600. Its totient is φ = 59363136.
The previous prime is 89664079. The next prime is 89664101. The reversal of 89664085 is 58046698.
It is not a de Polignac number, because 89664085 - 23 = 89664077 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43155 + ... + 45184.
It is an arithmetic number, because the mean of its divisors is an integer number (7950600).
Almost surely, 289664085 is an apocalyptic number.
It is an amenable number.
89664085 is a deficient number, since it is larger than the sum of its proper divisors (37545515).
89664085 is a wasteful number, since it uses less digits than its factorization.
89664085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88380.
The product of its (nonzero) digits is 414720, while the sum is 46.
The square root of 89664085 is about 9469.1121547904. The cubic root of 89664085 is about 447.5822347130.
The spelling of 89664085 in words is "eighty-nine million, six hundred sixty-four thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •