Base | Representation |
---|---|
bin | 1010011001000… |
… | …00000110100000 |
3 | 20002000100120020 |
4 | 11030200012200 |
5 | 134303211141 |
6 | 12352113440 |
7 | 2105606253 |
oct | 514400640 |
9 | 202010506 |
10 | 87163296 |
11 | 45224090 |
12 | 25235880 |
13 | 1509aa1c |
14 | b80d09a |
15 | 79bb266 |
hex | 53201a0 |
87163296 has 96 divisors (see below), whose sum is σ = 254016000. Its totient is φ = 25946880.
The previous prime is 87163273. The next prime is 87163331. The reversal of 87163296 is 69236178.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
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, 61605 + ... + 63003.
It is an arithmetic number, because the mean of its divisors is an integer number (2646000).
Almost surely, 287163296 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 87163296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127008000).
87163296 is an abundant number, since it is smaller than the sum of its proper divisors (166852704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87163296 is a wasteful number, since it uses less digits than its factorization.
87163296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1482 (or 1474 counting only the distinct ones).
The product of its digits is 108864, while the sum is 42.
The square root of 87163296 is about 9336.1285338196. The cubic root of 87163296 is about 443.3818196855.
The spelling of 87163296 in words is "eighty-seven million, one hundred sixty-three thousand, two hundred ninety-six".
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