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268313258 = 26114832
BaseRepresentation
bin11111111111000…
…10001010101010
3200200212201121002
433333202022222
51022142011013
642342515002
76435424253
oct1777421252
9620781532
10268313258
111285017a4
1275a35a62
1343785155
14278c5b2a
1518850358
hexffe22aa

268313258 has 12 divisors (see below), whose sum is σ = 409343778. Its totient is φ = 131868360.

The previous prime is 268313257. The next prime is 268313263. The reversal of 268313258 is 852313862.

It can be written as a sum of positive squares in only one way, i.e., 266113969 + 2199289 = 16313^2 + 1483^2 .

It is not an unprimeable number, because it can be changed into a prime (268313257) 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 in 5 ways as a sum of consecutive naturals, for example, 180185 + ... + 181667.

Almost surely, 2268313258 is an apocalyptic number.

268313258 is a deficient number, since it is larger than the sum of its proper divisors (141030520).

268313258 is an frugal number, since it uses more digits than its factorization.

268313258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 1546 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 268313258 is about 16380.2703884887. The cubic root of 268313258 is about 644.9816776639.

The spelling of 268313258 in words is "two hundred sixty-eight million, three hundred thirteen thousand, two hundred fifty-eight".

Divisors: 1 2 61 122 1483 2966 90463 180926 2199289 4398578 134156629 268313258