Base | Representation |
---|---|
bin | 1010011000011… |
… | …00011010111110 |
3 | 20001212020222200 |
4 | 11030030122332 |
5 | 134243121221 |
6 | 12350252330 |
7 | 2105122245 |
oct | 514143276 |
9 | 201766880 |
10 | 87082686 |
11 | 45179569 |
12 | 251b70a6 |
13 | 15070122 |
14 | b7cb95c |
15 | 79a2426 |
hex | 530c6be |
87082686 has 12 divisors (see below), whose sum is σ = 188679192. Its totient is φ = 29027556.
The previous prime is 87082637. The next prime is 87082691. The reversal of 87082686 is 68628078.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2418946 + ... + 2418981.
It is an arithmetic number, because the mean of its divisors is an integer number (15723266).
Almost surely, 287082686 is an apocalyptic number.
87082686 is an abundant number, since it is smaller than the sum of its proper divisors (101596506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87082686 is a wasteful number, since it uses less digits than its factorization.
87082686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4837935 (or 4837932 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 87082686 is about 9331.8104352800. The cubic root of 87082686 is about 443.2450953465.
The spelling of 87082686 in words is "eighty-seven million, eighty-two thousand, six hundred eighty-six".
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