Base | Representation |
---|---|
bin | 10110000100000… |
… | …11000100100010 |
3 | 110220021100121000 |
4 | 23002003010202 |
5 | 334340224432 |
6 | 30211012430 |
7 | 4405131015 |
oct | 1302030442 |
9 | 426240530 |
10 | 185086242 |
11 | 95527040 |
12 | 51b9a116 |
13 | 2c464cb3 |
14 | 1a81d37c |
15 | 113b057c |
hex | b083122 |
185086242 has 64 divisors (see below), whose sum is σ = 475113600. Its totient is φ = 52784640.
The previous prime is 185086241. The next prime is 185086271. The reversal of 185086242 is 242680581.
It is a junction number, because it is equal to n+sod(n) for n = 185086197 and 185086206.
It is not an unprimeable number, because it can be changed into a prime (185086241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934 + ... + 19262.
It is an arithmetic number, because the mean of its divisors is an integer number (7423650).
Almost surely, 2185086242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 185086242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237556800).
185086242 is an abundant number, since it is smaller than the sum of its proper divisors (290027358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185086242 is a wasteful number, since it uses less digits than its factorization.
185086242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18368 (or 18362 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 185086242 is about 13604.6404583142. The cubic root of 185086242 is about 569.8904498607.
The spelling of 185086242 in words is "one hundred eighty-five million, eighty-six thousand, two hundred forty-two".
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