Base | Representation |
---|---|
bin | 1010001010010… |
… | …01001111011001 |
3 | 12221101100221212 |
4 | 11011021033121 |
5 | 133310002044 |
6 | 12242512505 |
7 | 2053324343 |
oct | 505111731 |
9 | 187340855 |
10 | 85234649 |
11 | 44127065 |
12 | 24665735 |
13 | 14873c06 |
14 | b46a293 |
15 | 7739a9e |
hex | 51493d9 |
85234649 has 8 divisors (see below), whose sum is σ = 85882368. Its totient is φ = 84589920.
The previous prime is 85234571. The next prime is 85234673. The reversal of 85234649 is 94643258.
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 85234649 - 212 = 85230553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85234679) 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, 99029 + ... + 99885.
It is an arithmetic number, because the mean of its divisors is an integer number (10735296).
Almost surely, 285234649 is an apocalyptic number.
It is an amenable number.
85234649 is a deficient number, since it is larger than the sum of its proper divisors (647719).
85234649 is a wasteful number, since it uses less digits than its factorization.
85234649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1495.
The product of its digits is 207360, while the sum is 41.
The square root of 85234649 is about 9232.2613156258. The cubic root of 85234649 is about 440.0871883006.
The spelling of 85234649 in words is "eighty-five million, two hundred thirty-four thousand, six hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •