Base | Representation |
---|---|
bin | 1010011000011… |
… | …01111110011100 |
3 | 20001212120201110 |
4 | 11030031332130 |
5 | 134243322202 |
6 | 12350342020 |
7 | 2105146641 |
oct | 514157634 |
9 | 201776643 |
10 | 87089052 |
11 | 45183326 |
12 | 251ba910 |
13 | 15072cab |
14 | b7cddc8 |
15 | 79a426c |
hex | 530df9c |
87089052 has 12 divisors (see below), whose sum is σ = 203207816. Its totient is φ = 29029680.
The previous prime is 87089033. The next prime is 87089053. The reversal of 87089052 is 25098078.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 87089052.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87089053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3628699 + ... + 3628722.
Almost surely, 287089052 is an apocalyptic number.
It is an amenable number.
87089052 is an abundant number, since it is smaller than the sum of its proper divisors (116118764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87089052 is a wasteful number, since it uses less digits than its factorization.
87089052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7257428 (or 7257426 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 39.
The square root of 87089052 is about 9332.1515204159. The cubic root of 87089052 is about 443.2558959225.
The spelling of 87089052 in words is "eighty-seven million, eighty-nine thousand, fifty-two".
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