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286129 is a prime number
BaseRepresentation
bin1000101110110110001
3112112111101
41011312301
533124004
610044401
72301124
oct1056661
9475441
10286129
11185a78
12119701
13a030c
14763bb
1559ba4
hex45db1

286129 has 2 divisors, whose sum is σ = 286130. Its totient is φ = 286128.

The previous prime is 286103. The next prime is 286163. The reversal of 286129 is 921682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 74529 = 460^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 286129 - 27 = 286001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286097 and 286106.

It is not a weakly prime, because it can be changed into another prime (286199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143064 + 143065.

It is an arithmetic number, because the mean of its divisors is an integer number (143065).

2286129 is an apocalyptic number.

It is an amenable number.

286129 is a deficient number, since it is larger than the sum of its proper divisors (1).

286129 is an equidigital number, since it uses as much as digits as its factorization.

286129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 286129 is about 534.9102728496. The cubic root of 286129 is about 65.8952270916.

The spelling of 286129 in words is "two hundred eighty-six thousand, one hundred twenty-nine".