Base | Representation |
---|---|
bin | 1010101110100… |
… | …01000010011100 |
3 | 20021022201110110 |
4 | 11113101002130 |
5 | 141014011210 |
6 | 12532410020 |
7 | 2141601315 |
oct | 527210234 |
9 | 207281413 |
10 | 89985180 |
11 | 4688121a |
12 | 26176910 |
13 | 1584828c |
14 | bd4560c |
15 | 7d77420 |
hex | 55d109c |
89985180 has 48 divisors (see below), whose sum is σ = 252370944. Its totient is φ = 23956800.
The previous prime is 89985167. The next prime is 89985239. The reversal of 89985180 is 8158998.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68409 + ... + 69711.
It is an arithmetic number, because the mean of its divisors is an integer number (5257728).
Almost surely, 289985180 is an apocalyptic number.
It is an amenable number.
89985180 is an abundant number, since it is smaller than the sum of its proper divisors (162385764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89985180 is a wasteful number, since it uses less digits than its factorization.
89985180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2466 (or 2464 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 48.
The square root of 89985180 is about 9486.0518657659. The cubic root of 89985180 is about 448.1158753727.
The spelling of 89985180 in words is "eighty-nine million, nine hundred eighty-five thousand, one hundred eighty".
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