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268814969 is a prime number
BaseRepresentation
bin10000000001011…
…100101001111001
3200201211012210222
4100001130221321
51022304034334
642401345425
76442614053
oct2001345171
9621735728
10268814969
11128814735
1276038275
13438cc617
14279b68d3
15188edd2e
hex1005ca79

268814969 has 2 divisors, whose sum is σ = 268814970. Its totient is φ = 268814968.

The previous prime is 268814963. The next prime is 268815073. The reversal of 268814969 is 969418862.

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., 262861369 + 5953600 = 16213^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 268814969 - 212 = 268810873 is a prime.

It is a super-2 number, since 2×2688149692 = 144522975116941922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268814969.

It is not a weakly prime, because it can be changed into another prime (268814963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134407484 + 134407485.

It is an arithmetic number, because the mean of its divisors is an integer number (134407485).

Almost surely, 2268814969 is an apocalyptic number.

It is an amenable number.

268814969 is a deficient number, since it is larger than the sum of its proper divisors (1).

268814969 is an equidigital number, since it uses as much as digits as its factorization.

268814969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 53.

The square root of 268814969 is about 16395.5777269360. The cubic root of 268814969 is about 645.3834380552.

The spelling of 268814969 in words is "two hundred sixty-eight million, eight hundred fourteen thousand, nine hundred sixty-nine".