Base | Representation |
---|---|
bin | 1010110101011… |
… | …11001000001100 |
3 | 20100000221022022 |
4 | 11122233020030 |
5 | 141232113420 |
6 | 13004105312 |
7 | 2152410410 |
oct | 532571014 |
9 | 210027268 |
10 | 90894860 |
11 | 47342721 |
12 | 26535238 |
13 | 15aa6354 |
14 | c100d40 |
15 | 7ea6c25 |
hex | 56af20c |
90894860 has 48 divisors (see below), whose sum is σ = 229635840. Its totient is φ = 29522880.
The previous prime is 90894857. The next prime is 90894889. The reversal of 90894860 is 6849809.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 14426 + ... + 19745.
It is an arithmetic number, because the mean of its divisors is an integer number (4784080).
Almost surely, 290894860 is an apocalyptic number.
It is an amenable number.
90894860 is an abundant number, since it is smaller than the sum of its proper divisors (138740980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90894860 is a wasteful number, since it uses less digits than its factorization.
90894860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34206 (or 34204 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 44.
The square root of 90894860 is about 9533.8795880796. The cubic root of 90894860 is about 449.6208493580.
The spelling of 90894860 in words is "ninety million, eight hundred ninety-four thousand, eight hundred sixty".
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