Base | Representation |
---|---|
bin | 1010011011001… |
… | …00111001011100 |
3 | 20002112200002211 |
4 | 11031210321130 |
5 | 134341220314 |
6 | 12402130204 |
7 | 2111161636 |
oct | 515447134 |
9 | 202480084 |
10 | 87445084 |
11 | 453a6871 |
12 | 25350964 |
13 | 1516906c |
14 | b883a56 |
15 | 7a249c4 |
hex | 5364e5c |
87445084 has 12 divisors (see below), whose sum is σ = 153513864. Its totient is φ = 43583984.
The previous prime is 87445073. The next prime is 87445109. The reversal of 87445084 is 48054478.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33214 + ... + 35749.
It is an arithmetic number, because the mean of its divisors is an integer number (12792822).
Almost surely, 287445084 is an apocalyptic number.
It is an amenable number.
87445084 is a deficient number, since it is larger than the sum of its proper divisors (66068780).
87445084 is a wasteful number, since it uses less digits than its factorization.
87445084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69284 (or 69282 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 40.
The square root of 87445084 is about 9351.2076225480. The cubic root of 87445084 is about 443.8591049846.
The spelling of 87445084 in words is "eighty-seven million, four hundred forty-five thousand, eighty-four".
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