Base | Representation |
---|---|
bin | 1010011011111… |
… | …00100011111000 |
3 | 20002201121001121 |
4 | 11031330203320 |
5 | 134402321013 |
6 | 12404155024 |
7 | 2112044341 |
oct | 515744370 |
9 | 202647047 |
10 | 87542008 |
11 | 45462674 |
12 | 25398a74 |
13 | 151a1208 |
14 | b8ab0c8 |
15 | 7a4358d |
hex | 537c8f8 |
87542008 has 16 divisors (see below), whose sum is σ = 167239080. Its totient is φ = 42944928.
The previous prime is 87542003. The next prime is 87542029. The reversal of 87542008 is 80024578.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87542003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102810 + ... + 103657.
Almost surely, 287542008 is an apocalyptic number.
It is an amenable number.
87542008 is a deficient number, since it is larger than the sum of its proper divisors (79697072).
87542008 is a wasteful number, since it uses less digits than its factorization.
87542008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206526 (or 206522 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 34.
The square root of 87542008 is about 9356.3886195476. The cubic root of 87542008 is about 444.0230353549.
The spelling of 87542008 in words is "eighty-seven million, five hundred forty-two thousand, eight".
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