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285714029 is a prime number
BaseRepresentation
bin10001000001111…
…010011001101101
3201220121202222002
4101001322121231
51041120322104
644203502045
710036346336
oct2101723155
9656552862
10285714029
111373071a7
127b827925
1347268473
1429d3528d
151a13b01e
hex1107a66d

285714029 has 2 divisors, whose sum is σ = 285714030. Its totient is φ = 285714028.

The previous prime is 285714017. The next prime is 285714031. The reversal of 285714029 is 920417582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166358404 + 119355625 = 12898^2 + 10925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-285714029 is a prime.

Together with 285714031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 285713983 and 285714001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285714089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142857014 + 142857015.

It is an arithmetic number, because the mean of its divisors is an integer number (142857015).

Almost surely, 2285714029 is an apocalyptic number.

It is an amenable number.

285714029 is a deficient number, since it is larger than the sum of its proper divisors (1).

285714029 is an equidigital number, since it uses as much as digits as its factorization.

285714029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 285714029 is about 16903.0775008576. The cubic root of 285714029 is about 658.6335587475.

The spelling of 285714029 in words is "two hundred eighty-five million, seven hundred fourteen thousand, twenty-nine".