Base | Representation |
---|---|
bin | 1010011000110… |
… | …10110100100110 |
3 | 20001222020220021 |
4 | 11030122310212 |
5 | 134302013140 |
6 | 12351425354 |
7 | 2105456230 |
oct | 514326446 |
9 | 201866807 |
10 | 87141670 |
11 | 45209910 |
12 | 2522525a |
13 | 15090c25 |
14 | b805250 |
15 | 79b4b4a |
hex | 531ad26 |
87141670 has 32 divisors (see below), whose sum is σ = 195561216. Its totient is φ = 27160800.
The previous prime is 87141667. The next prime is 87141671. The reversal of 87141670 is 7614178.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87141671) 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 15 ways as a sum of consecutive naturals, for example, 55816 + ... + 57355.
It is an arithmetic number, because the mean of its divisors is an integer number (6111288).
Almost surely, 287141670 is an apocalyptic number.
87141670 is an abundant number, since it is smaller than the sum of its proper divisors (108419546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87141670 is a wasteful number, since it uses less digits than its factorization.
87141670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113196.
The product of its (nonzero) digits is 9408, while the sum is 34.
The square root of 87141670 is about 9334.9702731182. The cubic root of 87141670 is about 443.3451476428.
The spelling of 87141670 in words is "eighty-seven million, one hundred forty-one thousand, six hundred seventy".
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