Base | Representation |
---|---|
bin | 1010011010000… |
… | …10011111000101 |
3 | 20002021111202102 |
4 | 11031002133011 |
5 | 134322213013 |
6 | 12355121445 |
7 | 2110034000 |
oct | 515023705 |
9 | 202244672 |
10 | 87304133 |
11 | 4530a984 |
12 | 252a3285 |
13 | 15119b67 |
14 | b848537 |
15 | 79e7d58 |
hex | 53427c5 |
87304133 has 16 divisors (see below), whose sum is σ = 102240000. Its totient is φ = 74518416.
The previous prime is 87304121. The next prime is 87304157. The reversal of 87304133 is 33140378.
It is not a de Polignac number, because 87304133 - 24 = 87304117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87304096 and 87304105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87304103) 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, 122783 + ... + 123491.
It is an arithmetic number, because the mean of its divisors is an integer number (6390000).
Almost surely, 287304133 is an apocalyptic number.
It is an amenable number.
87304133 is a deficient number, since it is larger than the sum of its proper divisors (14935867).
87304133 is an equidigital number, since it uses as much as digits as its factorization.
87304133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1089 (or 1075 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 87304133 is about 9343.6680698749. The cubic root of 87304133 is about 443.6204941661.
The spelling of 87304133 in words is "eighty-seven million, three hundred four thousand, one hundred thirty-three".
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