Base | Representation |
---|---|
bin | 1011100101011… |
… | …11101000111101 |
3 | 20202212200102212 |
4 | 11302233220331 |
5 | 144340012123 |
6 | 13351030205 |
7 | 2260042100 |
oct | 562575075 |
9 | 222780385 |
10 | 97188413 |
11 | 4a951103 |
12 | 2866b365 |
13 | 1719ab4a |
14 | cc9c737 |
15 | 87eb878 |
hex | 5cafa3d |
97188413 has 6 divisors (see below), whose sum is σ = 113055966. Its totient is φ = 83304312.
The previous prime is 97188389. The next prime is 97188463. The reversal of 97188413 is 31488179.
It can be written as a sum of positive squares in only one way, i.e., 93180409 + 4008004 = 9653^2 + 2002^2 .
It is not a de Polignac number, because 97188413 - 214 = 97172029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97188463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 991670 + ... + 991767.
It is an arithmetic number, because the mean of its divisors is an integer number (18842661).
Almost surely, 297188413 is an apocalyptic number.
It is an amenable number.
97188413 is a deficient number, since it is larger than the sum of its proper divisors (15867553).
97188413 is a wasteful number, since it uses less digits than its factorization.
97188413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1983451 (or 1983444 counting only the distinct ones).
The product of its digits is 48384, while the sum is 41.
The square root of 97188413 is about 9858.4183822761. The cubic root of 97188413 is about 459.7673886949.
The spelling of 97188413 in words is "ninety-seven million, one hundred eighty-eight thousand, four hundred thirteen".
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