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285714311 is a prime number
BaseRepresentation
bin10001000001111…
…010011110000111
3201220121210100112
4101001322132013
51041120324221
644203503235
710036350221
oct2101723607
9656553315
10285714311
11137307433
127b827b1b
134726862c
1429d35411
151a13b15b
hex1107a787

285714311 has 2 divisors, whose sum is σ = 285714312. Its totient is φ = 285714310.

The previous prime is 285714307. The next prime is 285714367. The reversal of 285714311 is 113417582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285714311 - 22 = 285714307 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285714391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142857155 + 142857156.

It is an arithmetic number, because the mean of its divisors is an integer number (142857156).

Almost surely, 2285714311 is an apocalyptic number.

285714311 is a deficient number, since it is larger than the sum of its proper divisors (1).

285714311 is an equidigital number, since it uses as much as digits as its factorization.

285714311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 32.

The square root of 285714311 is about 16903.0858425318. The cubic root of 285714311 is about 658.6337754380.

The spelling of 285714311 in words is "two hundred eighty-five million, seven hundred fourteen thousand, three hundred eleven".