Base | Representation |
---|---|
bin | 1010011011111… |
… | …10100001110110 |
3 | 20002202000010012 |
4 | 11031332201312 |
5 | 134403100240 |
6 | 12404300222 |
7 | 2112110006 |
oct | 515764166 |
9 | 202660105 |
10 | 87550070 |
11 | 45468733 |
12 | 253a1672 |
13 | 151a4a9a |
14 | b8b0006 |
15 | 7a45b65 |
hex | 537e876 |
87550070 has 16 divisors (see below), whose sum is σ = 158194080. Its totient is φ = 34885824.
The previous prime is 87550063. The next prime is 87550087. The reversal of 87550070 is 7005578.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14015 + ... + 19274.
It is an arithmetic number, because the mean of its divisors is an integer number (9887130).
Almost surely, 287550070 is an apocalyptic number.
87550070 is a deficient number, since it is larger than the sum of its proper divisors (70644010).
87550070 is a wasteful number, since it uses less digits than its factorization.
87550070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33559.
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 87550070 is about 9356.8194382493. The cubic root of 87550070 is about 444.0366653973.
The spelling of 87550070 in words is "eighty-seven million, five hundred fifty thousand, seventy".
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