Base | Representation |
---|---|
bin | 1010011000000… |
… | …00001111011111 |
3 | 20001202201120000 |
4 | 11030000033133 |
5 | 134240022144 |
6 | 12345225343 |
7 | 2104523640 |
oct | 514001737 |
9 | 201681500 |
10 | 87032799 |
11 | 45145037 |
12 | 25192253 |
13 | 150534c9 |
14 | b7b76c7 |
15 | 7992769 |
hex | 53003df |
87032799 has 80 divisors (see below), whose sum is σ = 157977600. Its totient is φ = 46702656.
The previous prime is 87032797. The next prime is 87032801. The reversal of 87032799 is 99723078.
It is an interprime number because it is at equal distance from previous prime (87032797) and next prime (87032801).
It is not a de Polignac number, because 87032799 - 21 = 87032797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87032797) 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 79 ways as a sum of consecutive naturals, for example, 1101642 + ... + 1101720.
It is an arithmetic number, because the mean of its divisors is an integer number (1974720).
Almost surely, 287032799 is an apocalyptic number.
87032799 is a deficient number, since it is larger than the sum of its proper divisors (70944801).
87032799 is a wasteful number, since it uses less digits than its factorization.
87032799 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194 (or 185 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 45.
The square root of 87032799 is about 9329.1370983602. The cubic root of 87032799 is about 443.1604386717.
The spelling of 87032799 in words is "eighty-seven million, thirty-two thousand, seven hundred ninety-nine".
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