Base | Representation |
---|---|
bin | 1010010111110… |
… | …10111111011111 |
3 | 20001201122001120 |
4 | 11023322333133 |
5 | 134233330140 |
6 | 12344542023 |
7 | 2104404150 |
oct | 513727737 |
9 | 201648046 |
10 | 87011295 |
11 | 4512a968 |
12 | 25181913 |
13 | 15046797 |
14 | b7ad927 |
15 | 798b1d0 |
hex | 52fafdf |
87011295 has 32 divisors (see below), whose sum is σ = 160911360. Its totient is φ = 39325440.
The previous prime is 87011257. The next prime is 87011297. The reversal of 87011295 is 59211078.
It is not a de Polignac number, because 87011295 - 27 = 87011167 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87011297) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4690 + ... + 14000.
It is an arithmetic number, because the mean of its divisors is an integer number (5028480).
Almost surely, 287011295 is an apocalyptic number.
87011295 is a deficient number, since it is larger than the sum of its proper divisors (73900065).
87011295 is a wasteful number, since it uses less digits than its factorization.
87011295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9415.
The product of its (nonzero) digits is 5040, while the sum is 33.
The square root of 87011295 is about 9327.9845089923. The cubic root of 87011295 is about 443.1239370801.
The spelling of 87011295 in words is "eighty-seven million, eleven thousand, two hundred ninety-five".
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