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27286429 is a prime number
BaseRepresentation
bin110100000010…
…1101110011101
31220100021221111
41220011232131
523441131204
62412502021
7450634162
oct150055635
956307844
1027286429
1114447775
12917a911
135864b21
1438a4069
1525ded04
hex1a05b9d

27286429 has 2 divisors, whose sum is σ = 27286430. Its totient is φ = 27286428.

The previous prime is 27286403. The next prime is 27286433. The reversal of 27286429 is 92468272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 225625 = 5202^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 27286429 - 29 = 27285917 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27286391 and 27286400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27286229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13643214 + 13643215.

It is an arithmetic number, because the mean of its divisors is an integer number (13643215).

Almost surely, 227286429 is an apocalyptic number.

It is an amenable number.

27286429 is a deficient number, since it is larger than the sum of its proper divisors (1).

27286429 is an equidigital number, since it uses as much as digits as its factorization.

27286429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 27286429 is about 5223.6413544576. The cubic root of 27286429 is about 301.0571187725.

The spelling of 27286429 in words is "twenty-seven million, two hundred eighty-six thousand, four hundred twenty-nine".