Base | Representation |
---|---|
bin | 1010011001010… |
… | …10001010000110 |
3 | 20002002110001210 |
4 | 11030222022012 |
5 | 134311020421 |
6 | 12353032250 |
7 | 2106140325 |
oct | 514521206 |
9 | 202073053 |
10 | 87204486 |
11 | 45252026 |
12 | 25255686 |
13 | 150b36b5 |
14 | b8200bc |
15 | 79c8576 |
hex | 532a286 |
87204486 has 32 divisors (see below), whose sum is σ = 181610208. Its totient is φ = 27889920.
The previous prime is 87204461. The next prime is 87204487. The reversal of 87204486 is 68440278.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87204487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13516 + ... + 18896.
It is an arithmetic number, because the mean of its divisors is an integer number (5675319).
Almost surely, 287204486 is an apocalyptic number.
87204486 is an abundant number, since it is smaller than the sum of its proper divisors (94405722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87204486 is a wasteful number, since it uses less digits than its factorization.
87204486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5496.
The product of its (nonzero) digits is 86016, while the sum is 39.
The square root of 87204486 is about 9338.3342197632. The cubic root of 87204486 is about 443.4516503825.
The spelling of 87204486 in words is "eighty-seven million, two hundred four thousand, four hundred eighty-six".
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