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220144814 = 2221349739
BaseRepresentation
bin11010001111100…
…10010010101110
3120100020111220122
431013302102232
5422324113224
633502244542
75312125421
oct1507622256
9510214818
10220144814
111032a206a
1261886752
13367bb606
14213479b8
15144d815e
hexd1f24ae

220144814 has 8 divisors (see below), whose sum is σ = 330373080. Its totient is φ = 110020456.

The previous prime is 220144807. The next prime is 220144819. The reversal of 220144814 is 418441022.

220144814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220144819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20444 + ... + 29295.

It is an arithmetic number, because the mean of its divisors is an integer number (41296635).

Almost surely, 2220144814 is an apocalyptic number.

220144814 is a deficient number, since it is larger than the sum of its proper divisors (110228266).

220144814 is a wasteful number, since it uses less digits than its factorization.

220144814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51954.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 220144814 is about 14837.2778500640. The cubic root of 220144814 is about 603.8135014016.

Adding to 220144814 its reverse (418441022), we get a palindrome (638585836).

The spelling of 220144814 in words is "two hundred twenty million, one hundred forty-four thousand, eight hundred fourteen".

Divisors: 1 2 2213 4426 49739 99478 110072407 220144814