Base | Representation |
---|---|
bin | 10011001111111… |
… | …11110101101001 |
3 | 102020212000222021 |
4 | 21213333311221 |
5 | 312314330131 |
6 | 24005024441 |
7 | 4000362202 |
oct | 1147776551 |
9 | 366760867 |
10 | 161480041 |
11 | 83173388 |
12 | 460b5121 |
13 | 275bb328 |
14 | 176365a9 |
15 | e29ae11 |
hex | 99ffd69 |
161480041 has 2 divisors, whose sum is σ = 161480042. Its totient is φ = 161480040.
The previous prime is 161480021. The next prime is 161480063. The reversal of 161480041 is 140084161.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 159289641 + 2190400 = 12621^2 + 1480^2 .
It is a cyclic number.
It is not a de Polignac number, because 161480041 - 25 = 161480009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 161479988 and 161480015.
It is not a weakly prime, because it can be changed into another prime (161480021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80740020 + 80740021.
It is an arithmetic number, because the mean of its divisors is an integer number (80740021).
Almost surely, 2161480041 is an apocalyptic number.
It is an amenable number.
161480041 is a deficient number, since it is larger than the sum of its proper divisors (1).
161480041 is an equidigital number, since it uses as much as digits as its factorization.
161480041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 161480041 is about 12707.4797265233. The cubic root of 161480041 is about 544.5523254668.
The spelling of 161480041 in words is "one hundred sixty-one million, four hundred eighty thousand, forty-one".
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