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86228269 is a prime number
BaseRepresentation
bin1010010001110…
…11110100101101
320000020211221121
411020323310231
5134033301034
612320100541
72064633241
oct510736455
9200224847
1086228269
1144745636
1224a64751
1314b3125a
14b648421
1578841b4
hex523bd2d

86228269 has 2 divisors, whose sum is σ = 86228270. Its totient is φ = 86228268.

The previous prime is 86228249. The next prime is 86228291. The reversal of 86228269 is 96282268.

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., 76772644 + 9455625 = 8762^2 + 3075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86228269 is a prime.

It is a super-2 number, since 2×862282692 = 14870628749472722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86228209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43114134 + 43114135.

It is an arithmetic number, because the mean of its divisors is an integer number (43114135).

Almost surely, 286228269 is an apocalyptic number.

It is an amenable number.

86228269 is a deficient number, since it is larger than the sum of its proper divisors (1).

86228269 is an equidigital number, since it uses as much as digits as its factorization.

86228269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 86228269 is about 9285.9177790889. The cubic root of 86228269 is about 441.7906862987.

The spelling of 86228269 in words is "eighty-six million, two hundred twenty-eight thousand, two hundred sixty-nine".