Base | Representation |
---|---|
bin | 1010001001001… |
… | …00111101011101 |
3 | 12221002211010000 |
4 | 11010210331131 |
5 | 133240223140 |
6 | 12235404513 |
7 | 2052135162 |
oct | 504447535 |
9 | 187084100 |
10 | 85086045 |
11 | 44035450 |
12 | 245b3739 |
13 | 14821395 |
14 | b42c069 |
15 | 770aa30 |
hex | 5124f5d |
85086045 has 80 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 40521600.
The previous prime is 85086019. The next prime is 85086049. The reversal of 85086045 is 54068058.
It is a happy number.
It is not a de Polignac number, because 85086045 - 25 = 85086013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85086049) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 316171 + ... + 316439.
It is an arithmetic number, because the mean of its divisors is an integer number (2117016).
Almost surely, 285086045 is an apocalyptic number.
It is an amenable number.
85086045 is a deficient number, since it is larger than the sum of its proper divisors (84275235).
85086045 is a wasteful number, since it uses less digits than its factorization.
85086045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368 (or 359 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 85086045 is about 9224.2097222472. The cubic root of 85086045 is about 439.8312800088.
The spelling of 85086045 in words is "eighty-five million, eighty-six thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •