Base | Representation |
---|---|
bin | 10001000100000… |
… | …111000010011001 |
3 | 201221201001011001 |
4 | 101010013002121 |
5 | 1041242240243 |
6 | 44224105001 |
7 | 10044265636 |
oct | 2104070231 |
9 | 657631131 |
10 | 286290073 |
11 | 13766aa73 |
12 | 7ba65161 |
13 | 4740a714 |
14 | 2a04518d |
15 | 1a201a4d |
hex | 11107099 |
286290073 has 2 divisors, whose sum is σ = 286290074. Its totient is φ = 286290072.
The previous prime is 286290061. The next prime is 286290107. The reversal of 286290073 is 370092682.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 230219929 + 56070144 = 15173^2 + 7488^2 .
It is a cyclic number.
It is not a de Polignac number, because 286290073 - 25 = 286290041 is a prime.
It is not a weakly prime, because it can be changed into another prime (286290373) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143145036 + 143145037.
It is an arithmetic number, because the mean of its divisors is an integer number (143145037).
Almost surely, 2286290073 is an apocalyptic number.
It is an amenable number.
286290073 is a deficient number, since it is larger than the sum of its proper divisors (1).
286290073 is an equidigital number, since it uses as much as digits as its factorization.
286290073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 286290073 is about 16920.1085398410. The cubic root of 286290073 is about 659.0758975649.
The spelling of 286290073 in words is "two hundred eighty-six million, two hundred ninety thousand, seventy-three".
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