Base | Representation |
---|---|
bin | 1010011100000… |
… | …01001110000111 |
3 | 20002202120020112 |
4 | 11032001032013 |
5 | 134403423340 |
6 | 12404423235 |
7 | 2112154106 |
oct | 516011607 |
9 | 202676215 |
10 | 87561095 |
11 | 45475a46 |
12 | 253a7b1b |
13 | 151a9acb |
14 | b8b403d |
15 | 7a49065 |
hex | 5381387 |
87561095 has 8 divisors (see below), whose sum is σ = 105174720. Its totient is φ = 69981280.
The previous prime is 87561083. The next prime is 87561109. The reversal of 87561095 is 59016578.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87561095 - 26 = 87561031 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351 + ... + 13440.
It is an arithmetic number, because the mean of its divisors is an integer number (13146840).
Almost surely, 287561095 is an apocalyptic number.
87561095 is a deficient number, since it is larger than the sum of its proper divisors (17613625).
87561095 is a wasteful number, since it uses less digits than its factorization.
87561095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16905.
The product of its (nonzero) digits is 75600, while the sum is 41.
The square root of 87561095 is about 9357.4085622035. The cubic root of 87561095 is about 444.0553034892.
The spelling of 87561095 in words is "eighty-seven million, five hundred sixty-one thousand, ninety-five".
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