Base | Representation |
---|---|
bin | 11010110010000101110001 |
3 | 111012200212211 |
4 | 122302011301 |
5 | 3244132123 |
6 | 410252121 |
7 | 113451064 |
oct | 32620561 |
9 | 14180784 |
10 | 7020913 |
11 | 3a65a09 |
12 | 2427041 |
13 | 15ba8b3 |
14 | d0a8db |
15 | 93a40d |
hex | 6b2171 |
7020913 has 2 divisors, whose sum is σ = 7020914. Its totient is φ = 7020912.
The previous prime is 7020901. The next prime is 7020931. The reversal of 7020913 is 3190207.
Together with next prime (7020931) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6036849 + 984064 = 2457^2 + 992^2 .
It is an emirp because it is prime and its reverse (3190207) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7020913 is a prime.
It is not a weakly prime, because it can be changed into another prime (7020953) 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, 3510456 + 3510457.
It is an arithmetic number, because the mean of its divisors is an integer number (3510457).
Almost surely, 27020913 is an apocalyptic number.
It is an amenable number.
7020913 is a deficient number, since it is larger than the sum of its proper divisors (1).
7020913 is an equidigital number, since it uses as much as digits as its factorization.
7020913 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 7020913 is about 2649.7005491187. The cubic root of 7020913 is about 191.4834294983.
The spelling of 7020913 in words is "seven million, twenty thousand, nine hundred thirteen".
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