Base | Representation |
---|---|
bin | 1010011110011… |
… | …10000001010110 |
3 | 20010100112202110 |
4 | 11033032001112 |
5 | 134444010140 |
6 | 12415251450 |
7 | 2114634201 |
oct | 517160126 |
9 | 203315673 |
10 | 87875670 |
11 | 45670323 |
12 | 25519b86 |
13 | 1528a04c |
14 | b956938 |
15 | 7aac380 |
hex | 53ce056 |
87875670 has 16 divisors (see below), whose sum is σ = 210901680. Its totient is φ = 23433504.
The previous prime is 87875657. The next prime is 87875677. The reversal of 87875670 is 7657878.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87875677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464565 + ... + 1464624.
It is an arithmetic number, because the mean of its divisors is an integer number (13181355).
Almost surely, 287875670 is an apocalyptic number.
87875670 is an abundant number, since it is smaller than the sum of its proper divisors (123026010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87875670 is a wasteful number, since it uses less digits than its factorization.
87875670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2929199.
The product of its (nonzero) digits is 658560, while the sum is 48.
The square root of 87875670 is about 9374.2023660683. The cubic root of 87875670 is about 444.5864440477.
The spelling of 87875670 in words is "eighty-seven million, eight hundred seventy-five thousand, six hundred seventy".
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