Base | Representation |
---|---|
bin | 1010011100111… |
… | …01001111100110 |
3 | 20002222101200202 |
4 | 11032131033212 |
5 | 134421112003 |
6 | 12411110502 |
7 | 2113142543 |
oct | 516351746 |
9 | 202871622 |
10 | 87675878 |
11 | 45544204 |
12 | 25442432 |
13 | 1521a124 |
14 | b903bca |
15 | 7a6d088 |
hex | 539d3e6 |
87675878 has 8 divisors (see below), whose sum is σ = 132816240. Its totient is φ = 43403800.
The previous prime is 87675877. The next prime is 87675883. The reversal of 87675878 is 87857678.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87675871) 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, 216818 + ... + 217221.
It is an arithmetic number, because the mean of its divisors is an integer number (16602030).
Almost surely, 287675878 is an apocalyptic number.
87675878 is a deficient number, since it is larger than the sum of its proper divisors (45140362).
87675878 is a wasteful number, since it uses less digits than its factorization.
87675878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434142.
The product of its digits is 5268480, while the sum is 56.
The square root of 87675878 is about 9363.5398220972. The cubic root of 87675878 is about 444.2492547110.
The spelling of 87675878 in words is "eighty-seven million, six hundred seventy-five thousand, eight hundred seventy-eight".
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