Base | Representation |
---|---|
bin | 10011010100110… |
… | …00100010011001 |
3 | 102022000210221022 |
4 | 21222120202121 |
5 | 312444333442 |
6 | 24030252225 |
7 | 4005605531 |
oct | 1152304231 |
9 | 368023838 |
10 | 162105497 |
11 | 83560294 |
12 | 46357075 |
13 | 27779c18 |
14 | 1775a4c1 |
15 | e3713d2 |
hex | 9a98899 |
162105497 has 2 divisors, whose sum is σ = 162105498. Its totient is φ = 162105496.
The previous prime is 162105469. The next prime is 162105499. The reversal of 162105497 is 794501261.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 134815321 + 27290176 = 11611^2 + 5224^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-162105497 is a prime.
Together with 162105499, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (162105499) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81052748 + 81052749.
It is an arithmetic number, because the mean of its divisors is an integer number (81052749).
Almost surely, 2162105497 is an apocalyptic number.
It is an amenable number.
162105497 is a deficient number, since it is larger than the sum of its proper divisors (1).
162105497 is an equidigital number, since it uses as much as digits as its factorization.
162105497 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 162105497 is about 12732.0657004274. The cubic root of 162105497 is about 545.2544859813.
The spelling of 162105497 in words is "one hundred sixty-two million, one hundred five thousand, four hundred ninety-seven".
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