Base | Representation |
---|---|
bin | 1010011000001… |
… | …01101000001011 |
3 | 20001210211211001 |
4 | 11030011220023 |
5 | 134241223414 |
6 | 12345515431 |
7 | 2104645153 |
oct | 514055013 |
9 | 201724731 |
10 | 87054859 |
11 | 4515a671 |
12 | 251a2b77 |
13 | 15060568 |
14 | b7c1763 |
15 | 7999074 |
hex | 5305a0b |
87054859 has 2 divisors, whose sum is σ = 87054860. Its totient is φ = 87054858.
The previous prime is 87054823. The next prime is 87054883. The reversal of 87054859 is 95845078.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 87054859 - 27 = 87054731 is a prime.
It is not a weakly prime, because it can be changed into another prime (87054899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43527429 + 43527430.
It is an arithmetic number, because the mean of its divisors is an integer number (43527430).
Almost surely, 287054859 is an apocalyptic number.
87054859 is a deficient number, since it is larger than the sum of its proper divisors (1).
87054859 is an equidigital number, since it uses as much as digits as its factorization.
87054859 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 403200, while the sum is 46.
The square root of 87054859 is about 9330.3193407300. The cubic root of 87054859 is about 443.1978777886.
The spelling of 87054859 in words is "eighty-seven million, fifty-four thousand, eight hundred fifty-nine".
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