Base | Representation |
---|---|
bin | 1010011110011… |
… | …11000110011000 |
3 | 20010100202211002 |
4 | 11033033012120 |
5 | 134444130323 |
6 | 12415324132 |
7 | 2114653112 |
oct | 517170630 |
9 | 203322732 |
10 | 87880088 |
11 | 4567367a |
12 | 25520648 |
13 | 1528c06a |
14 | b9583b2 |
15 | 7aad828 |
hex | 53cf198 |
87880088 has 8 divisors (see below), whose sum is σ = 164775180. Its totient is φ = 43940040.
The previous prime is 87880057. The next prime is 87880127. The reversal of 87880088 is 88008878.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5492498 + ... + 5492513.
Almost surely, 287880088 is an apocalyptic number.
It is an amenable number.
87880088 is a deficient number, since it is larger than the sum of its proper divisors (76895092).
87880088 is a wasteful number, since it uses less digits than its factorization.
87880088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10985017 (or 10985013 counting only the distinct ones).
The product of its (nonzero) digits is 229376, while the sum is 47.
The square root of 87880088 is about 9374.4380098222. The cubic root of 87880088 is about 444.5938945362.
The spelling of 87880088 in words is "eighty-seven million, eight hundred eighty thousand, eighty-eight".
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