Base | Representation |
---|---|
bin | 1010011010010… |
… | …01000111111111 |
3 | 20002022220001121 |
4 | 11031021013333 |
5 | 134324100302 |
6 | 12355451411 |
7 | 2110206166 |
oct | 515110777 |
9 | 202286047 |
10 | 87331327 |
11 | 45329356 |
12 | 252b6b67 |
13 | 15129355 |
14 | b8543dd |
15 | 7a00e37 |
hex | 53491ff |
87331327 has 2 divisors, whose sum is σ = 87331328. Its totient is φ = 87331326.
The previous prime is 87331313. The next prime is 87331373. The reversal of 87331327 is 72313378.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87331327 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87331292 and 87331301.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87331627) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43665663 + 43665664.
It is an arithmetic number, because the mean of its divisors is an integer number (43665664).
Almost surely, 287331327 is an apocalyptic number.
87331327 is a deficient number, since it is larger than the sum of its proper divisors (1).
87331327 is an equidigital number, since it uses as much as digits as its factorization.
87331327 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21168, while the sum is 34.
The square root of 87331327 is about 9345.1231666576. The cubic root of 87331327 is about 443.6665498833. Note that the first 3 decimals are identical.
The spelling of 87331327 in words is "eighty-seven million, three hundred thirty-one thousand, three hundred twenty-seven".
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