Base | Representation |
---|---|
bin | 1010011000000… |
… | …11100010111011 |
3 | 20001210102010012 |
4 | 11030003202323 |
5 | 134240440311 |
6 | 12345412135 |
7 | 2104611251 |
oct | 514034273 |
9 | 201712105 |
10 | 87046331 |
11 | 45154219 |
12 | 2519a04b |
13 | 15059708 |
14 | b7bc5d1 |
15 | 799678b |
hex | 53038bb |
87046331 has 2 divisors, whose sum is σ = 87046332. Its totient is φ = 87046330.
The previous prime is 87046327. The next prime is 87046343. The reversal of 87046331 is 13364078.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87046331 - 22 = 87046327 is a prime.
It is a super-2 number, since 2×870463312 = 15154127481123122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (87046231) 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 as a sum of consecutive naturals, namely, 43523165 + 43523166.
It is an arithmetic number, because the mean of its divisors is an integer number (43523166).
Almost surely, 287046331 is an apocalyptic number.
87046331 is a deficient number, since it is larger than the sum of its proper divisors (1).
87046331 is an equidigital number, since it uses as much as digits as its factorization.
87046331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 87046331 is about 9329.8623248149. The cubic root of 87046331 is about 443.1834052481.
The spelling of 87046331 in words is "eighty-seven million, forty-six thousand, three hundred thirty-one".
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