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268048069 is a prime number
BaseRepresentation
bin11111111101000…
…01011011000101
3200200101020211021
433332201123011
51022110014234
642333111141
76433241152
oct1776413305
9620336737
10268048069
11128340533
12759284b1
13436c1533
1427857229
15187eb9b4
hexffa16c5

268048069 has 2 divisors, whose sum is σ = 268048070. Its totient is φ = 268048068.

The previous prime is 268048057. The next prime is 268048117. The reversal of 268048069 is 960840862.

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., 197739844 + 70308225 = 14062^2 + 8385^2 .

It is a cyclic number.

It is not a de Polignac number, because 268048069 - 215 = 268015301 is a prime.

It is a super-2 number, since 2×2680480692 = 143699534589257522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268648069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134024034 + 134024035.

It is an arithmetic number, because the mean of its divisors is an integer number (134024035).

Almost surely, 2268048069 is an apocalyptic number.

It is an amenable number.

268048069 is a deficient number, since it is larger than the sum of its proper divisors (1).

268048069 is an equidigital number, since it uses as much as digits as its factorization.

268048069 is an odious number, because the sum of its binary digits is odd.

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

The square root of 268048069 is about 16372.1736186739. The cubic root of 268048069 is about 644.7691171311.

The spelling of 268048069 in words is "two hundred sixty-eight million, forty-eight thousand, sixty-nine".