Base | Representation |
---|---|
bin | 1010010111110… |
… | …10011000001110 |
3 | 20001201111121111 |
4 | 11023322120032 |
5 | 134233240112 |
6 | 12344522234 |
7 | 2104363630 |
oct | 513723016 |
9 | 201644544 |
10 | 87008782 |
11 | 45128a93 |
12 | 2518037a |
13 | 150455b3 |
14 | b7aca50 |
15 | 798a5a7 |
hex | 52fa60e |
87008782 has 16 divisors (see below), whose sum is σ = 149281920. Its totient is φ = 37258488.
The previous prime is 87008777. The next prime is 87008807. The reversal of 87008782 is 28780078.
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, 25069 + ... + 28327.
It is an arithmetic number, because the mean of its divisors is an integer number (9330120).
Almost surely, 287008782 is an apocalyptic number.
87008782 is a deficient number, since it is larger than the sum of its proper divisors (62273138).
87008782 is a wasteful number, since it uses less digits than its factorization.
87008782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5175.
The product of its (nonzero) digits is 50176, while the sum is 40.
The square root of 87008782 is about 9327.8498058234. The cubic root of 87008782 is about 443.1196710395.
The spelling of 87008782 in words is "eighty-seven million, eight thousand, seven hundred eighty-two".
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