Base | Representation |
---|---|
bin | 110110110110011… |
… | …111001110110001 |
3 | 2101010121201021211 |
4 | 312312133032301 |
5 | 3341041101421 |
6 | 231152120121 |
7 | 31543011256 |
oct | 6666371661 |
9 | 2333551254 |
10 | 920253361 |
11 | 432505a75 |
12 | 218236041 |
13 | 118868221 |
14 | 8a30d42d |
15 | 55bcc9e1 |
hex | 36d9f3b1 |
920253361 has 4 divisors (see below), whose sum is σ = 920339812. Its totient is φ = 920166912.
The previous prime is 920253349. The next prime is 920253419. The reversal of 920253361 is 163352029.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 548496400 + 371756961 = 23420^2 + 19281^2 .
It is a cyclic number.
It is not a de Polignac number, because 920253361 - 25 = 920253329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (920253661) 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 in 3 ways as a sum of consecutive naturals, for example, 24576 + ... + 49441.
It is an arithmetic number, because the mean of its divisors is an integer number (230084953).
Almost surely, 2920253361 is an apocalyptic number.
It is an amenable number.
920253361 is a deficient number, since it is larger than the sum of its proper divisors (86451).
920253361 is a wasteful number, since it uses less digits than its factorization.
920253361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86450.
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 920253361 is about 30335.6780211025. The cubic root of 920253361 is about 972.6780992119.
The spelling of 920253361 in words is "nine hundred twenty million, two hundred fifty-three thousand, three hundred sixty-one".
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