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223280426 = 25913913613
BaseRepresentation
bin11010100111011…
…11110100101010
3120120010211011102
431103233310222
5424124433201
634053401402
75350565225
oct1523576452
9516124142
10223280426
11105043986
1262939262
13373488c5
14219225bc
151490726b
hexd4efd2a

223280426 has 16 divisors (see below), whose sum is σ = 343072800. Its totient is φ = 108950448.

The previous prime is 223280401. The next prime is 223280443. The reversal of 223280426 is 624082322.

It is a super-3 number, since 3×2232804263 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9596 + ... + 23208.

It is an arithmetic number, because the mean of its divisors is an integer number (21442050).

Almost surely, 2223280426 is an apocalyptic number.

223280426 is a deficient number, since it is larger than the sum of its proper divisors (119792374).

223280426 is a wasteful number, since it uses less digits than its factorization.

223280426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 223280426 is about 14942.5709300642. The cubic root of 223280426 is about 606.6667841377. Note that the first 3 decimals are identical.

The spelling of 223280426 in words is "two hundred twenty-three million, two hundred eighty thousand, four hundred twenty-six".

Divisors: 1 2 59 118 139 278 8201 13613 16402 27226 803167 1606334 1892207 3784414 111640213 223280426