Base | Representation |
---|---|
bin | 1010011101111… |
… | …01100101010101 |
3 | 20010020010101210 |
4 | 11032331211111 |
5 | 134434331331 |
6 | 12414012033 |
7 | 2114233665 |
oct | 516754525 |
9 | 203203353 |
10 | 87808341 |
11 | 45624785 |
12 | 254a7019 |
13 | 152654ca |
14 | b93a1a5 |
15 | 7a97446 |
hex | 53bd955 |
87808341 has 16 divisors (see below), whose sum is σ = 119377280. Its totient is φ = 57395520.
The previous prime is 87808321. The next prime is 87808351. The reversal of 87808341 is 14380878.
It is not a de Polignac number, because 87808341 - 221 = 85711189 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87808341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87808321) 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, 79791 + ... + 80883.
It is an arithmetic number, because the mean of its divisors is an integer number (7461080).
Almost surely, 287808341 is an apocalyptic number.
It is an amenable number.
87808341 is a deficient number, since it is larger than the sum of its proper divisors (31568939).
87808341 is a wasteful number, since it uses less digits than its factorization.
87808341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1596.
The product of its (nonzero) digits is 43008, while the sum is 39.
The square root of 87808341 is about 9370.6104923852. The cubic root of 87808341 is about 444.4728699157.
The spelling of 87808341 in words is "eighty-seven million, eight hundred eight thousand, three hundred forty-one".
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