Base | Representation |
---|---|
bin | 1011001000010… |
… | …10000111001001 |
3 | 20111200102021011 |
4 | 11210022013021 |
5 | 142400132211 |
6 | 13133043521 |
7 | 2212405144 |
oct | 544120711 |
9 | 214612234 |
10 | 93364681 |
11 | 4877a2a3 |
12 | 273265a1 |
13 | 1645c597 |
14 | c58505b |
15 | 82e3921 |
hex | 590a1c9 |
93364681 has 2 divisors, whose sum is σ = 93364682. Its totient is φ = 93364680.
The previous prime is 93364679. The next prime is 93364693. The reversal of 93364681 is 18646339.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 88454025 + 4910656 = 9405^2 + 2216^2 .
It is an emirp because it is prime and its reverse (18646339) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 93364681 - 21 = 93364679 is a prime.
It is a super-2 number, since 2×933646812 = 17433927316463522, which contains 22 as substring.
Together with 93364679, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (93364181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46682340 + 46682341.
It is an arithmetic number, because the mean of its divisors is an integer number (46682341).
Almost surely, 293364681 is an apocalyptic number.
It is an amenable number.
93364681 is a deficient number, since it is larger than the sum of its proper divisors (1).
93364681 is an equidigital number, since it uses as much as digits as its factorization.
93364681 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 93312, while the sum is 40.
The square root of 93364681 is about 9662.5400904731. The cubic root of 93364681 is about 453.6569192866.
The spelling of 93364681 in words is "ninety-three million, three hundred sixty-four thousand, six hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •