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268218058 = 224122309
BaseRepresentation
bin11111111110010…
…10111011001010
3200200200220000011
433333022323022
51022130434213
642340502134
76434546563
oct1777127312
9620626004
10268218058
11128447219
12759aa94a
1343750a14
142789d16a
151883203d
hexffcaeca

268218058 has 12 divisors (see below), whose sum is σ = 404178390. Its totient is φ = 133494720.

The previous prime is 268218007. The next prime is 268218089. The reversal of 268218058 is 850812862.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 267420609 + 797449 = 16353^2 + 893^2 .

It is a super-3 number, since 3×2682180583 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268218058.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 115008 + ... + 117316.

Almost surely, 2268218058 is an apocalyptic number.

268218058 is a deficient number, since it is larger than the sum of its proper divisors (135960332).

268218058 is an equidigital number, since it uses as much as digits as its factorization.

268218058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 268218058 is about 16377.3641957429. The cubic root of 268218058 is about 644.9053868393.

The spelling of 268218058 in words is "two hundred sixty-eight million, two hundred eighteen thousand, fifty-eight".

Divisors: 1 2 241 482 2309 4618 58081 116162 556469 1112938 134109029 268218058