Base | Representation |
---|---|
bin | 10011001100111… |
… | …10111010100100 |
3 | 102020002212101200 |
4 | 21212132322210 |
5 | 312214124134 |
6 | 23552322500 |
7 | 3664116603 |
oct | 1146367244 |
9 | 366085350 |
10 | 161083044 |
11 | 82a22091 |
12 | 45b43430 |
13 | 274ac715 |
14 | 17571a3a |
15 | e21d499 |
hex | 999eea4 |
161083044 has 36 divisors (see below), whose sum is σ = 408380700. Its totient is φ = 53536320.
The previous prime is 161083033. The next prime is 161083049. The reversal of 161083044 is 440380161.
161083044 is a `hidden beast` number, since 1 + 610 + 8 + 3 + 0 + 44 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 104652900 = 7512^2 + 10230^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 161082999 and 161083017.
It is not an unprimeable number, because it can be changed into a prime (161083049) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6154 + ... + 18974.
Almost surely, 2161083044 is an apocalyptic number.
It is an amenable number.
161083044 is an abundant number, since it is smaller than the sum of its proper divisors (247297656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161083044 is a wasteful number, since it uses less digits than its factorization.
161083044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13180 (or 13175 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 161083044 is about 12691.8495106111. The cubic root of 161083044 is about 544.1057005176.
The spelling of 161083044 in words is "one hundred sixty-one million, eighty-three thousand, forty-four".
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