Base | Representation |
---|---|
bin | 1010011010101… |
… | …00100101110111 |
3 | 20002102021111011 |
4 | 11031110211313 |
5 | 134332101140 |
6 | 12400453051 |
7 | 2110463134 |
oct | 515244567 |
9 | 202367434 |
10 | 87378295 |
11 | 45360674 |
12 | 2531a187 |
13 | 15144844 |
14 | b86758b |
15 | 7a0ecea |
hex | 5354977 |
87378295 has 4 divisors (see below), whose sum is σ = 104853960. Its totient is φ = 69902632.
The previous prime is 87378287. The next prime is 87378307. The reversal of 87378295 is 59287378.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87378295 - 23 = 87378287 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8737825 + ... + 8737834.
It is an arithmetic number, because the mean of its divisors is an integer number (26213490).
Almost surely, 287378295 is an apocalyptic number.
87378295 is a deficient number, since it is larger than the sum of its proper divisors (17475665).
87378295 is a wasteful number, since it uses less digits than its factorization.
87378295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17475664.
The product of its digits is 846720, while the sum is 49.
The square root of 87378295 is about 9347.6357973554. The cubic root of 87378295 is about 443.7460723054.
The spelling of 87378295 in words is "eighty-seven million, three hundred seventy-eight thousand, two hundred ninety-five".
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