Base | Representation |
---|---|
bin | 1010011010000… |
… | …10001011010111 |
3 | 20002021110000200 |
4 | 11031002023113 |
5 | 134322142441 |
6 | 12355111543 |
7 | 2110030215 |
oct | 515021327 |
9 | 202243020 |
10 | 87302871 |
11 | 45309a37 |
12 | 252a25b3 |
13 | 15119406 |
14 | b847cb5 |
15 | 79e77b6 |
hex | 53422d7 |
87302871 has 24 divisors (see below), whose sum is σ = 139332960. Its totient is φ = 52394496.
The previous prime is 87302867. The next prime is 87302879. The reversal of 87302871 is 17820378.
It is not a de Polignac number, because 87302871 - 22 = 87302867 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87302879) 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 23 ways as a sum of consecutive naturals, for example, 8886 + ... + 15923.
It is an arithmetic number, because the mean of its divisors is an integer number (5805540).
Almost surely, 287302871 is an apocalyptic number.
87302871 is a deficient number, since it is larger than the sum of its proper divisors (52030089).
87302871 is a wasteful number, since it uses less digits than its factorization.
87302871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24855 (or 24852 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 36.
The square root of 87302871 is about 9343.6005372661. The cubic root of 87302871 is about 443.6183566126.
The spelling of 87302871 in words is "eighty-seven million, three hundred two thousand, eight hundred seventy-one".
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