Base | Representation |
---|---|
bin | 1010100111000… |
… | …11010010010001 |
3 | 20012111020121111 |
4 | 11103203102101 |
5 | 140241330340 |
6 | 12455453321 |
7 | 2130404203 |
oct | 523432221 |
9 | 205436544 |
10 | 89011345 |
11 | 462765a5 |
12 | 25987241 |
13 | 15596c47 |
14 | bb70773 |
15 | 7c33aea |
hex | 54e3491 |
89011345 has 4 divisors (see below), whose sum is σ = 106813620. Its totient is φ = 71209072.
The previous prime is 89011339. The next prime is 89011367. The reversal of 89011345 is 54311098.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54311098 = 2 ⋅27155549.
It can be written as a sum of positive squares in 2 ways, for example, as 67174416 + 21836929 = 8196^2 + 4673^2 .
It is a cyclic number.
It is not a de Polignac number, because 89011345 - 25 = 89011313 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8901130 + ... + 8901139.
It is an arithmetic number, because the mean of its divisors is an integer number (26703405).
Almost surely, 289011345 is an apocalyptic number.
It is an amenable number.
89011345 is a deficient number, since it is larger than the sum of its proper divisors (17802275).
89011345 is a wasteful number, since it uses less digits than its factorization.
89011345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17802274.
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 89011345 is about 9434.5823966936. The cubic root of 89011345 is about 446.4934797386.
The spelling of 89011345 in words is "eighty-nine million, eleven thousand, three hundred forty-five".
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