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286228973 is a prime number
BaseRepresentation
bin10001000011111…
…000000111101101
3201221120221100002
4101003320013231
51041233311343
644222514045
710043622542
oct2103700755
9657527302
10286228973
11137629078
127ba35925
13473b8974
142a02abc9
151a1dd8b8
hex110f81ed

286228973 has 2 divisors, whose sum is σ = 286228974. Its totient is φ = 286228972.

The previous prime is 286228967. The next prime is 286228979. The reversal of 286228973 is 379822682.

It is a balanced prime because it is at equal distance from previous prime (286228967) and next prime (286228979).

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 25180324 = 16157^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 286228973 - 26 = 286228909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286228979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143114486 + 143114487.

It is an arithmetic number, because the mean of its divisors is an integer number (143114487).

Almost surely, 2286228973 is an apocalyptic number.

It is an amenable number.

286228973 is a deficient number, since it is larger than the sum of its proper divisors (1).

286228973 is an equidigital number, since it uses as much as digits as its factorization.

286228973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 286228973 is about 16918.3028995228. The cubic root of 286228973 is about 659.0290075907.

The spelling of 286228973 in words is "two hundred eighty-six million, two hundred twenty-eight thousand, nine hundred seventy-three".