Base | Representation |
---|---|
bin | 1010001001010… |
… | …01010010000111 |
3 | 12221010201101210 |
4 | 11010221102013 |
5 | 133241310001 |
6 | 12240022503 |
7 | 2052240615 |
oct | 504512207 |
9 | 187121353 |
10 | 85103751 |
11 | 44047787 |
12 | 24601a33 |
13 | 14829465 |
14 | b4346b5 |
15 | 7710dd6 |
hex | 5129487 |
85103751 has 32 divisors (see below), whose sum is σ = 124236288. Its totient is φ = 51609600.
The previous prime is 85103747. The next prime is 85103779. The reversal of 85103751 is 15730158.
It is not a de Polignac number, because 85103751 - 22 = 85103747 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85103791) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 331015 + ... + 331271.
It is an arithmetic number, because the mean of its divisors is an integer number (3882384).
Almost surely, 285103751 is an apocalyptic number.
85103751 is a deficient number, since it is larger than the sum of its proper divisors (39132537).
85103751 is a wasteful number, since it uses less digits than its factorization.
85103751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471.
The product of its (nonzero) digits is 4200, while the sum is 30.
The square root of 85103751 is about 9225.1694293384. The cubic root of 85103751 is about 439.8617868231.
The spelling of 85103751 in words is "eighty-five million, one hundred three thousand, seven hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •