Base | Representation |
---|---|
bin | 1010100111000… |
… | …00100010010000 |
3 | 20012110200011021 |
4 | 11103200202100 |
5 | 140241000310 |
6 | 12455325224 |
7 | 2130326311 |
oct | 523404220 |
9 | 205420137 |
10 | 89000080 |
11 | 46269094 |
12 | 25980814 |
13 | 15591a90 |
14 | bb6a608 |
15 | 7c305da |
hex | 54e0890 |
89000080 has 40 divisors (see below), whose sum is σ = 222845112. Its totient is φ = 32861184.
The previous prime is 89000027. The next prime is 89000099. The reversal of 89000080 is 8000098.
It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 88887184 = 336^2 + 9428^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41749 + ... + 43828.
Almost surely, 289000080 is an apocalyptic number.
89000080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
89000080 is an abundant number, since it is smaller than the sum of its proper divisors (133845032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89000080 is a wasteful number, since it uses less digits than its factorization.
89000080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85603 (or 85597 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 89000080 is about 9433.9853720472. The cubic root of 89000080 is about 446.4746433335.
The spelling of 89000080 in words is "eighty-nine million, eighty", and thus it is an aban number and an uban number.
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