Base | Representation |
---|---|
bin | 10011101101010… |
… | …10101001110011 |
3 | 102112002101211222 |
4 | 21312222221303 |
5 | 314310403202 |
6 | 24223255255 |
7 | 4045146221 |
oct | 1166525163 |
9 | 375071758 |
10 | 165325427 |
11 | 8535a493 |
12 | 4744a52b |
13 | 283366c7 |
14 | 17d57b11 |
15 | e7aa4a2 |
hex | 9daaa73 |
165325427 has 2 divisors, whose sum is σ = 165325428. Its totient is φ = 165325426.
The previous prime is 165325409. The next prime is 165325429. The reversal of 165325427 is 724523561.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 165325427 - 214 = 165309043 is a prime.
It is a super-3 number, since 3×1653254273 (a number of 26 digits) contains 333 as substring.
Together with 165325429, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p9256094 and since 165325427 and 9256094 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (165325429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82662713 + 82662714.
It is an arithmetic number, because the mean of its divisors is an integer number (82662714).
Almost surely, 2165325427 is an apocalyptic number.
165325427 is a deficient number, since it is larger than the sum of its proper divisors (1).
165325427 is an equidigital number, since it uses as much as digits as its factorization.
165325427 is an evil number, because the sum of its binary digits is even.
The product of its digits is 50400, while the sum is 35.
The square root of 165325427 is about 12857.8935677661. The cubic root of 165325427 is about 548.8410051381.
Adding to 165325427 its reverse (724523561), we get a palindrome (889848988).
The spelling of 165325427 in words is "one hundred sixty-five million, three hundred twenty-five thousand, four hundred twenty-seven".
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