Base | Representation |
---|---|
bin | 1010011000011… |
… | …01111101101001 |
3 | 20001212120122120 |
4 | 11030031331221 |
5 | 134243322001 |
6 | 12350341453 |
7 | 2105146536 |
oct | 514157551 |
9 | 201776576 |
10 | 87089001 |
11 | 4518328a |
12 | 251ba889 |
13 | 15072c6c |
14 | b7cdd8d |
15 | 79a4236 |
hex | 530df69 |
87089001 has 8 divisors (see below), whose sum is σ = 120122880. Its totient is φ = 56057232.
The previous prime is 87088957. The next prime is 87089021. The reversal of 87089001 is 10098078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87089001 - 27 = 87088873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87089021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500425 + ... + 500598.
It is an arithmetic number, because the mean of its divisors is an integer number (15015360).
Almost surely, 287089001 is an apocalyptic number.
It is an amenable number.
87089001 is a deficient number, since it is larger than the sum of its proper divisors (33033879).
87089001 is a wasteful number, since it uses less digits than its factorization.
87089001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001055.
The product of its (nonzero) digits is 4032, while the sum is 33.
The square root of 87089001 is about 9332.1487879266. The cubic root of 87089001 is about 443.2558093979.
The spelling of 87089001 in words is "eighty-seven million, eighty-nine thousand, one".
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