Base | Representation |
---|---|
bin | 1010001000101… |
… | …00001011100110 |
3 | 12220222022211120 |
4 | 11010110023212 |
5 | 133231023233 |
6 | 12234114410 |
7 | 2051430621 |
oct | 504241346 |
9 | 186868746 |
10 | 85017318 |
11 | 43a98851 |
12 | 2457ba06 |
13 | 147c9009 |
14 | b410db8 |
15 | 76e54b3 |
hex | 51142e6 |
85017318 has 16 divisors (see below), whose sum is σ = 170125056. Its totient is φ = 28324040.
The previous prime is 85017293. The next prime is 85017337. The reversal of 85017318 is 81371058.
It is a Smith number, since the sum of its digits (33) 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 pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19783 + ... + 23693.
It is an arithmetic number, because the mean of its divisors is an integer number (10632816).
Almost surely, 285017318 is an apocalyptic number.
85017318 is an abundant number, since it is smaller than the sum of its proper divisors (85107738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85017318 is a wasteful number, since it uses less digits than its factorization.
85017318 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7539.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 85017318 is about 9220.4836098764. The cubic root of 85017318 is about 439.7128256964.
The spelling of 85017318 in words is "eighty-five million, seventeen thousand, three hundred eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •