Base | Representation |
---|---|
bin | 11011000001110000011111 |
3 | 111022221220122 |
4 | 123001300133 |
5 | 3303210322 |
6 | 411505155 |
7 | 114136142 |
oct | 33016037 |
9 | 14287818 |
10 | 7085087 |
11 | 3aaa149 |
12 | 24581bb |
13 | 1610b79 |
14 | d26059 |
15 | 94e442 |
hex | 6c1c1f |
7085087 has 4 divisors (see below), whose sum is σ = 7257936. Its totient is φ = 6912240.
The previous prime is 7085083. The next prime is 7085101. The reversal of 7085087 is 7805807.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7805807 = 47 ⋅166081.
It is a cyclic number.
It is not a de Polignac number, because 7085087 - 22 = 7085083 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7085083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86363 + ... + 86444.
It is an arithmetic number, because the mean of its divisors is an integer number (1814484).
Almost surely, 27085087 is an apocalyptic number.
7085087 is a deficient number, since it is larger than the sum of its proper divisors (172849).
7085087 is a wasteful number, since it uses less digits than its factorization.
7085087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172848.
The product of its (nonzero) digits is 15680, while the sum is 35.
The square root of 7085087 is about 2661.7826733225. The cubic root of 7085087 is about 192.0650730672.
The spelling of 7085087 in words is "seven million, eighty-five thousand, eighty-seven".
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