Base | Representation |
---|---|
bin | 1010110010010… |
… | …11001111101101 |
3 | 20022021011002202 |
4 | 11121023033231 |
5 | 141131020431 |
6 | 12551231245 |
7 | 2146054553 |
oct | 531131755 |
9 | 208234082 |
10 | 90485741 |
11 | 47093305 |
12 | 26378525 |
13 | 15992078 |
14 | c035bd3 |
15 | 7e258cb |
hex | 564b3ed |
90485741 has 2 divisors, whose sum is σ = 90485742. Its totient is φ = 90485740.
The previous prime is 90485719. The next prime is 90485743. The reversal of 90485741 is 14758409.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 51423241 + 39062500 = 7171^2 + 6250^2 .
It is an emirp because it is prime and its reverse (14758409) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 90485741 - 210 = 90484717 is a prime.
Together with 90485743, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 90485695 and 90485704.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (90485743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45242870 + 45242871.
It is an arithmetic number, because the mean of its divisors is an integer number (45242871).
Almost surely, 290485741 is an apocalyptic number.
It is an amenable number.
90485741 is a deficient number, since it is larger than the sum of its proper divisors (1).
90485741 is an equidigital number, since it uses as much as digits as its factorization.
90485741 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 90485741 is about 9512.3993292965. The cubic root of 90485741 is about 448.9452515326.
The spelling of 90485741 in words is "ninety million, four hundred eighty-five thousand, seven hundred forty-one".
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