Base | Representation |
---|---|
bin | 1010010110110… |
… | …11010011010010 |
3 | 20001111000222222 |
4 | 11023123103102 |
5 | 134220201430 |
6 | 12342101042 |
7 | 2103323543 |
oct | 513332322 |
9 | 201430888 |
10 | 86881490 |
11 | 45051393 |
12 | 2511a782 |
13 | 14ccc687 |
14 | b7784ca |
15 | 79629e5 |
hex | 52db4d2 |
86881490 has 16 divisors (see below), whose sum is σ = 164617920. Its totient is φ = 32923440.
The previous prime is 86881489. The next prime is 86881523. The reversal of 86881490 is 9418868.
It is a happy number.
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, 228446 + ... + 228825.
It is an arithmetic number, because the mean of its divisors is an integer number (10288620).
Almost surely, 286881490 is an apocalyptic number.
86881490 is a deficient number, since it is larger than the sum of its proper divisors (77736430).
86881490 is a wasteful number, since it uses less digits than its factorization.
86881490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457297.
The product of its (nonzero) digits is 110592, while the sum is 44.
The square root of 86881490 is about 9321.0240853674. The cubic root of 86881490 is about 442.9034740190.
The spelling of 86881490 in words is "eighty-six million, eight hundred eighty-one thousand, four hundred ninety".
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