Base | Representation |
---|---|
bin | 1010011010000… |
… | …00011010001100 |
3 | 20002021002002102 |
4 | 11031000122030 |
5 | 134321430003 |
6 | 12355014232 |
7 | 2110000130 |
oct | 515003214 |
9 | 202232072 |
10 | 87295628 |
11 | 45304552 |
12 | 2529a378 |
13 | 15116024 |
14 | b8453c0 |
15 | 79e5588 |
hex | 534068c |
87295628 has 48 divisors (see below), whose sum is σ = 181622784. Its totient is φ = 35925120.
The previous prime is 87295619. The next prime is 87295631. The reversal of 87295628 is 82659278.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141176 + ... + 141792.
It is an arithmetic number, because the mean of its divisors is an integer number (3783808).
Almost surely, 287295628 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 87295628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90811392).
87295628 is an abundant number, since it is smaller than the sum of its proper divisors (94327156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87295628 is a wasteful number, since it uses less digits than its factorization.
87295628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 822 (or 820 counting only the distinct ones).
The product of its digits is 483840, while the sum is 47.
The square root of 87295628 is about 9343.2129377426. The cubic root of 87295628 is about 443.6060881477.
The spelling of 87295628 in words is "eighty-seven million, two hundred ninety-five thousand, six hundred twenty-eight".
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