Base | Representation |
---|---|
bin | 1010001110001… |
… | …11001011101001 |
3 | 12222100120120122 |
4 | 11013013023221 |
5 | 133423004010 |
6 | 12301533025 |
7 | 2060603321 |
oct | 507071351 |
9 | 188316518 |
10 | 85750505 |
11 | 44449695 |
12 | 24874175 |
13 | 149c4959 |
14 | b562281 |
15 | 77dc855 |
hex | 51c72e9 |
85750505 has 8 divisors (see below), whose sum is σ = 103005000. Its totient is φ = 68530816.
The previous prime is 85750459. The next prime is 85750519. The reversal of 85750505 is 50505758.
It can be written as a sum of positive squares in 4 ways, for example, as 11377129 + 74373376 = 3373^2 + 8624^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85750505 - 216 = 85684969 is a prime.
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, 2930 + ... + 13419.
It is an arithmetic number, because the mean of its divisors is an integer number (12875625).
Almost surely, 285750505 is an apocalyptic number.
It is an amenable number.
85750505 is a deficient number, since it is larger than the sum of its proper divisors (17254495).
85750505 is a wasteful number, since it uses less digits than its factorization.
85750505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17403.
The product of its (nonzero) digits is 35000, while the sum is 35.
The square root of 85750505 is about 9260.1568561229. The cubic root of 85750505 is about 440.9732331215.
The spelling of 85750505 in words is "eighty-five million, seven hundred fifty thousand, five hundred five".
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