Base | Representation |
---|---|
bin | 1010010111110… |
… | …00010010101000 |
3 | 20001201001212211 |
4 | 11023320102220 |
5 | 134233001412 |
6 | 12344414504 |
7 | 2104326664 |
oct | 513702250 |
9 | 201631784 |
10 | 87000232 |
11 | 45122620 |
12 | 25177434 |
13 | 15041737 |
14 | b7a98a4 |
15 | 7987ca7 |
hex | 52f84a8 |
87000232 has 64 divisors (see below), whose sum is σ = 187012800. Its totient is φ = 37578240.
The previous prime is 87000217. The next prime is 87000233. The reversal of 87000232 is 23200078.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (87000233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186063 + ... + 186529.
It is an arithmetic number, because the mean of its divisors is an integer number (2922075).
Almost surely, 287000232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87000232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93506400).
87000232 is an abundant number, since it is smaller than the sum of its proper divisors (100012568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87000232 is a wasteful number, since it uses less digits than its factorization.
87000232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586 (or 582 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 87000232 is about 9327.3914895859. The cubic root of 87000232 is about 443.1051560399.
The spelling of 87000232 in words is "eighty-seven million, two hundred thirty-two", and thus it is an aban number.
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