Base | Representation |
---|---|
bin | 1010011001100… |
… | …00111110101000 |
3 | 20002010212101112 |
4 | 11030300332220 |
5 | 134312414144 |
6 | 12353405452 |
7 | 2106314636 |
oct | 514607650 |
9 | 202125345 |
10 | 87232424 |
11 | 45271014 |
12 | 25269888 |
13 | 150c3326 |
14 | b82a356 |
15 | 79d199e |
hex | 5330fa8 |
87232424 has 16 divisors (see below), whose sum is σ = 163674420. Its totient is φ = 43585920.
The previous prime is 87232417. The next prime is 87232427. The reversal of 87232424 is 42423278.
It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 15288100 = 8482^2 + 3910^2 .
It is not an unprimeable number, because it can be changed into a prime (87232427) 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 3 ways as a sum of consecutive naturals, for example, 12644 + ... + 18284.
Almost surely, 287232424 is an apocalyptic number.
It is an amenable number.
87232424 is a deficient number, since it is larger than the sum of its proper divisors (76441996).
87232424 is a wasteful number, since it uses less digits than its factorization.
87232424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7580 (or 7576 counting only the distinct ones).
The product of its digits is 21504, while the sum is 32.
The square root of 87232424 is about 9339.8299770392. The cubic root of 87232424 is about 443.4990020344.
The spelling of 87232424 in words is "eighty-seven million, two hundred thirty-two thousand, four hundred twenty-four".
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