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286660141 is a prime number
BaseRepresentation
bin10001000101100…
…001011000101101
3201222101211210021
4101011201120231
51041341111031
644240042141
710050366565
oct2105413055
9658354707
10286660141
111378a3009
1280003351
1347509cb1
142a0ddda5
151a276511
hex1116162d

286660141 has 2 divisors, whose sum is σ = 286660142. Its totient is φ = 286660140.

The previous prime is 286660091. The next prime is 286660181. The reversal of 286660141 is 141066682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261760041 + 24900100 = 16179^2 + 4990^2 .

It is a cyclic number.

It is not a de Polignac number, because 286660141 - 217 = 286529069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286660097 and 286660106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286660181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143330070 + 143330071.

It is an arithmetic number, because the mean of its divisors is an integer number (143330071).

Almost surely, 2286660141 is an apocalyptic number.

It is an amenable number.

286660141 is a deficient number, since it is larger than the sum of its proper divisors (1).

286660141 is an equidigital number, since it uses as much as digits as its factorization.

286660141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 286660141 is about 16931.0407535981. The cubic root of 286660141 is about 659.3597563796.

The spelling of 286660141 in words is "two hundred eighty-six million, six hundred sixty thousand, one hundred forty-one".