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268284823 is a prime number
BaseRepresentation
bin11111111110110…
…11001110010111
3200200211021120221
433333123032113
51022140103243
642342135211
76435245332
oct1777331627
9620737527
10268284823
111284923a4
1275a21507
1343775221
14278b9619
1518846bed
hexffdb397

268284823 has 2 divisors, whose sum is σ = 268284824. Its totient is φ = 268284822.

The previous prime is 268284791. The next prime is 268284839. The reversal of 268284823 is 328482862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268284823 - 25 = 268284791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268284823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268284923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134142411 + 134142412.

It is an arithmetic number, because the mean of its divisors is an integer number (134142412).

Almost surely, 2268284823 is an apocalyptic number.

268284823 is a deficient number, since it is larger than the sum of its proper divisors (1).

268284823 is an equidigital number, since it uses as much as digits as its factorization.

268284823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 43.

The square root of 268284823 is about 16379.4024005762. The cubic root of 268284823 is about 644.9588924786.

The spelling of 268284823 in words is "two hundred sixty-eight million, two hundred eighty-four thousand, eight hundred twenty-three".