Base | Representation |
---|---|
bin | 1010011010011… |
… | …00111011111100 |
3 | 20002100200110212 |
4 | 11031030323330 |
5 | 134330100230 |
6 | 12400051552 |
7 | 2110302542 |
oct | 515147374 |
9 | 202320425 |
10 | 87346940 |
11 | 4533a05a |
12 | 25303bb8 |
13 | 151334a5 |
14 | b859d92 |
15 | 7a05895 |
hex | 534cefc |
87346940 has 24 divisors (see below), whose sum is σ = 183639120. Its totient is φ = 34898688.
The previous prime is 87346879. The next prime is 87346957. The reversal of 87346940 is 4964378.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20516 + ... + 24404.
It is an arithmetic number, because the mean of its divisors is an integer number (7651630).
Almost surely, 287346940 is an apocalyptic number.
It is an amenable number.
87346940 is an abundant number, since it is smaller than the sum of its proper divisors (96292180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87346940 is a wasteful number, since it uses less digits than its factorization.
87346940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5021 (or 5019 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 41.
The square root of 87346940 is about 9345.9584848211. The cubic root of 87346940 is about 443.6929877161.
The spelling of 87346940 in words is "eighty-seven million, three hundred forty-six thousand, nine hundred forty".
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