Base | Representation |
---|---|
bin | 10101100100000… |
… | …10010111110010 |
3 | 110121101010011100 |
4 | 22302002113302 |
5 | 332301422244 |
6 | 25541025230 |
7 | 4324350252 |
oct | 1262022762 |
9 | 417333140 |
10 | 180889074 |
11 | 9311a703 |
12 | 506b5216 |
13 | 2b625772 |
14 | 1a049962 |
15 | 10d31b69 |
hex | ac825f2 |
180889074 has 12 divisors (see below), whose sum is σ = 391926366. Its totient is φ = 60296352.
The previous prime is 180889073. The next prime is 180889099. The reversal of 180889074 is 470988081.
It can be written as a sum of positive squares in only one way, i.e., 149450625 + 31438449 = 12225^2 + 5607^2 .
It is not an unprimeable number, because it can be changed into a prime (180889073) 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 5 ways as a sum of consecutive naturals, for example, 5024679 + ... + 5024714.
Almost surely, 2180889074 is an apocalyptic number.
180889074 is an abundant number, since it is smaller than the sum of its proper divisors (211037292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180889074 is a wasteful number, since it uses less digits than its factorization.
180889074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10049401 (or 10049398 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 45.
The square root of 180889074 is about 13449.5008829324. The cubic root of 180889074 is about 565.5497028223.
The spelling of 180889074 in words is "one hundred eighty million, eight hundred eighty-nine thousand, seventy-four".
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