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268274269 is a prime number
BaseRepresentation
bin11111111110110…
…00101001011101
3200200210202010001
433333120221131
51022134234034
642342014301
76435202504
oct1777305135
9620722101
10268274269
1112848547a
1275a17391
1343770493
14278b583b
1518843a14
hexffd8a5d

268274269 has 2 divisors, whose sum is σ = 268274270. Its totient is φ = 268274268.

The previous prime is 268274257. The next prime is 268274329. The reversal of 268274269 is 962472862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257185369 + 11088900 = 16037^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 268274269 - 27 = 268274141 is a prime.

It is a super-2 number, since 2×2682742692 = 143942166814968722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268274219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134137134 + 134137135.

It is an arithmetic number, because the mean of its divisors is an integer number (134137135).

Almost surely, 2268274269 is an apocalyptic number.

It is an amenable number.

268274269 is a deficient number, since it is larger than the sum of its proper divisors (1).

268274269 is an equidigital number, since it uses as much as digits as its factorization.

268274269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 268274269 is about 16379.0802244815. The cubic root of 268274269 is about 644.9504350672.

The spelling of 268274269 in words is "two hundred sixty-eight million, two hundred seventy-four thousand, two hundred sixty-nine".