Base | Representation |
---|---|
bin | 1010001010001… |
… | …01101001010111 |
3 | 12221100121202121 |
4 | 11011011221113 |
5 | 133304014202 |
6 | 12242320411 |
7 | 2053233412 |
oct | 505055127 |
9 | 187317677 |
10 | 85219927 |
11 | 44116aa1 |
12 | 24659107 |
13 | 1486a2c0 |
14 | b464b79 |
15 | 7735537 |
hex | 5145a57 |
85219927 has 8 divisors (see below), whose sum is σ = 92437520. Its totient is φ = 78096960.
The previous prime is 85219889. The next prime is 85219949. The reversal of 85219927 is 72991258.
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 85219927 - 211 = 85217879 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 (85219987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21774 + ... + 25387.
It is an arithmetic number, because the mean of its divisors is an integer number (11554690).
Almost surely, 285219927 is an apocalyptic number.
85219927 is a deficient number, since it is larger than the sum of its proper divisors (7217593).
85219927 is a wasteful number, since it uses less digits than its factorization.
85219927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47313.
The product of its digits is 90720, while the sum is 43.
The square root of 85219927 is about 9231.4639684072. The cubic root of 85219927 is about 440.0618490881.
The spelling of 85219927 in words is "eighty-five million, two hundred nineteen thousand, nine hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •