Base | Representation |
---|---|
bin | 1000111101011… |
… | …01110111101111 |
3 | 12020102120121101 |
4 | 10132231313233 |
5 | 123220123241 |
6 | 11242543531 |
7 | 1601600326 |
oct | 436556757 |
9 | 166376541 |
10 | 75161071 |
11 | 39476697 |
12 | 21207ba7 |
13 | 12757a0b |
14 | 9da70bd |
15 | 68e9e31 |
hex | 47addef |
75161071 has 2 divisors, whose sum is σ = 75161072. Its totient is φ = 75161070.
The previous prime is 75161039. The next prime is 75161083. The reversal of 75161071 is 17016157.
It is a strong prime.
It is an emirp because it is prime and its reverse (17016157) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 75161071 - 25 = 75161039 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (75161371) 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, 37580535 + 37580536.
It is an arithmetic number, because the mean of its divisors is an integer number (37580536).
Almost surely, 275161071 is an apocalyptic number.
75161071 is a deficient number, since it is larger than the sum of its proper divisors (1).
75161071 is an equidigital number, since it uses as much as digits as its factorization.
75161071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1470, while the sum is 28.
The square root of 75161071 is about 8669.5484888199. The cubic root of 75161071 is about 422.0180113304.
The spelling of 75161071 in words is "seventy-five million, one hundred sixty-one thousand, seventy-one".
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