Base | Representation |
---|---|
bin | 1010011110001… |
… | …00101100010101 |
3 | 20010021121100022 |
4 | 11033010230111 |
5 | 134441244321 |
6 | 12414354525 |
7 | 2114414615 |
oct | 517045425 |
9 | 203247308 |
10 | 87837461 |
11 | 45644648 |
12 | 254bba45 |
13 | 1527583a |
14 | b946a45 |
15 | 7aa0dab |
hex | 53c4b15 |
87837461 has 2 divisors, whose sum is σ = 87837462. Its totient is φ = 87837460.
The previous prime is 87837443. The next prime is 87837467. The reversal of 87837461 is 16473878.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 65691025 + 22146436 = 8105^2 + 4706^2 .
It is a cyclic number.
It is not a de Polignac number, because 87837461 - 218 = 87575317 is a prime.
It is equal to p5098886 and since 87837461 and 5098886 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87837467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43918730 + 43918731.
It is an arithmetic number, because the mean of its divisors is an integer number (43918731).
Almost surely, 287837461 is an apocalyptic number.
It is an amenable number.
87837461 is a deficient number, since it is larger than the sum of its proper divisors (1).
87837461 is an equidigital number, since it uses as much as digits as its factorization.
87837461 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 225792, while the sum is 44.
The square root of 87837461 is about 9372.1641577599. The cubic root of 87837461 is about 444.5219982002.
The spelling of 87837461 in words is "eighty-seven million, eight hundred thirty-seven thousand, four hundred sixty-one".
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