Base | Representation |
---|---|
bin | 1010101101101… |
… | …00101000100110 |
3 | 20021002210212111 |
4 | 11112310220212 |
5 | 141001300323 |
6 | 12530111234 |
7 | 2140605163 |
oct | 526645046 |
9 | 207083774 |
10 | 89868838 |
11 | 46801874 |
12 | 2611b51a |
13 | 15807337 |
14 | bd1506a |
15 | 7d52c0d |
hex | 55b4a26 |
89868838 has 8 divisors (see below), whose sum is σ = 134903160. Its totient is φ = 44901120.
The previous prime is 89868833. The next prime is 89868847. The reversal of 89868838 is 83886898.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89868833) 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 3 ways as a sum of consecutive naturals, for example, 13128 + ... + 18763.
It is an arithmetic number, because the mean of its divisors is an integer number (16862895).
Almost surely, 289868838 is an apocalyptic number.
89868838 is a deficient number, since it is larger than the sum of its proper divisors (45034322).
89868838 is a wasteful number, since it uses less digits than its factorization.
89868838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33302.
The product of its digits is 5308416, while the sum is 58.
The square root of 89868838 is about 9479.9176156758. The cubic root of 89868838 is about 447.9226688111.
The spelling of 89868838 in words is "eighty-nine million, eight hundred sixty-eight thousand, eight hundred thirty-eight".
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