Base | Representation |
---|---|
bin | 1010011100001… |
… | …11111000011110 |
3 | 20002210221200011 |
4 | 11032013320132 |
5 | 134410312012 |
6 | 12405153434 |
7 | 2112326500 |
oct | 516077036 |
9 | 202727604 |
10 | 87588382 |
11 | 454944a2 |
12 | 253bb87a |
13 | 151b935b |
14 | b8bdd70 |
15 | 7a521a7 |
hex | 5387e1e |
87588382 has 24 divisors (see below), whose sum is σ = 156567600. Its totient is φ = 36620640.
The previous prime is 87588359. The next prime is 87588409. The reversal of 87588382 is 28388578.
It is a super-2 number, since 2×875883822 = 15343449322755848, which contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6882 + ... + 14917.
It is an arithmetic number, because the mean of its divisors is an integer number (6523650).
Almost surely, 287588382 is an apocalyptic number.
87588382 is a gapful number since it is divisible by the number (82) formed by its first and last digit.
87588382 is a deficient number, since it is larger than the sum of its proper divisors (68979218).
87588382 is a wasteful number, since it uses less digits than its factorization.
87588382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21856 (or 21849 counting only the distinct ones).
The product of its digits is 860160, while the sum is 49.
The square root of 87588382 is about 9358.8664911943. The cubic root of 87588382 is about 444.1014262511.
The spelling of 87588382 in words is "eighty-seven million, five hundred eighty-eight thousand, three hundred eighty-two".
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