Base | Representation |
---|---|
bin | 1010010111111… |
… | …01100111111110 |
3 | 20001202011211221 |
4 | 11023331213332 |
5 | 134234201303 |
6 | 12345103554 |
7 | 2104450453 |
oct | 513754776 |
9 | 201664757 |
10 | 87022078 |
11 | 45137a80 |
12 | 25187bba |
13 | 1504b670 |
14 | b7b382a |
15 | 798e4bd |
hex | 52fd9fe |
87022078 has 32 divisors (see below), whose sum is σ = 156274272. Its totient is φ = 35817600.
The previous prime is 87022063. The next prime is 87022123.
87022078 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12288 + ... + 18028.
It is an arithmetic number, because the mean of its divisors is an integer number (4883571).
Almost surely, 287022078 is an apocalyptic number.
87022078 is a deficient number, since it is larger than the sum of its proper divisors (69252194).
87022078 is a wasteful number, since it uses less digits than its factorization.
87022078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5820.
The product of its (nonzero) digits is 12544, while the sum is 34.
The square root of 87022078 is about 9328.5624830410. The cubic root of 87022078 is about 443.1422412480.
The spelling of 87022078 in words is "eighty-seven million, twenty-two thousand, seventy-eight".
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