Base | Representation |
---|---|
bin | 1010101000101… |
… | …11101010010110 |
3 | 20012220010220011 |
4 | 11110113222112 |
5 | 140320212003 |
6 | 12504230434 |
7 | 2132256520 |
oct | 524275226 |
9 | 205803804 |
10 | 89225878 |
11 | 464027a5 |
12 | 25a6b41a |
13 | 156407a1 |
14 | bbc8a10 |
15 | 7c7746d |
hex | 5517a96 |
89225878 has 16 divisors (see below), whose sum is σ = 159609600. Its totient is φ = 36576936.
The previous prime is 89225867. The next prime is 89225879. The reversal of 89225878 is 87852298.
It is a super-2 number, since 2×892258782 = 15922514609741768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89225879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138228 + ... + 138871.
It is an arithmetic number, because the mean of its divisors is an integer number (9975600).
Almost surely, 289225878 is an apocalyptic number.
89225878 is a deficient number, since it is larger than the sum of its proper divisors (70383722).
89225878 is a wasteful number, since it uses less digits than its factorization.
89225878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277131.
The product of its digits is 645120, while the sum is 49.
The square root of 89225878 is about 9445.9450559486. The cubic root of 89225878 is about 446.8519012169.
The spelling of 89225878 in words is "eighty-nine million, two hundred twenty-five thousand, eight hundred seventy-eight".
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