Base | Representation |
---|---|
bin | 1010011001000… |
… | …00000011000101 |
3 | 20002000100021010 |
4 | 11030200003011 |
5 | 134303204302 |
6 | 12352112433 |
7 | 2105605521 |
oct | 514400305 |
9 | 202010233 |
10 | 87163077 |
11 | 45223a01 |
12 | 25235719 |
13 | 1509a8b1 |
14 | b80cd81 |
15 | 79bb16c |
hex | 53200c5 |
87163077 has 16 divisors (see below), whose sum is σ = 122208768. Its totient is φ = 55152240.
The previous prime is 87163057. The next prime is 87163081. The reversal of 87163077 is 77036178.
It is not a de Polignac number, because 87163077 - 28 = 87162821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87163057) 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, 4218 + ... + 13860.
It is an arithmetic number, because the mean of its divisors is an integer number (7638048).
Almost surely, 287163077 is an apocalyptic number.
It is an amenable number.
87163077 is a deficient number, since it is larger than the sum of its proper divisors (35045691).
87163077 is a wasteful number, since it uses less digits than its factorization.
87163077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9800.
The product of its (nonzero) digits is 49392, while the sum is 39.
The square root of 87163077 is about 9336.1168051819. The cubic root of 87163077 is about 443.3814483492.
The spelling of 87163077 in words is "eighty-seven million, one hundred sixty-three thousand, seventy-seven".
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