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224012020 = 22583134947
BaseRepresentation
bin11010101101000…
…10011011110100
3120121111222201111
431112202123310
5424321341040
634121204404
75360033161
oct1526423364
9517458644
10224012020
111054a3601
1263030704
13375438bb
1421a73068
15149eddea
hexd5a26f4

224012020 has 24 divisors (see below), whose sum is σ = 476096544. Its totient is φ = 88524576.

The previous prime is 224012003. The next prime is 224012027. The reversal of 224012020 is 20210422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224012027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65814 + ... + 69133.

It is an arithmetic number, because the mean of its divisors is an integer number (19837356).

Almost surely, 2224012020 is an apocalyptic number.

224012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224012020 is an abundant number, since it is smaller than the sum of its proper divisors (252084524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224012020 is a wasteful number, since it uses less digits than its factorization.

224012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135039 (or 135037 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 224012020 is about 14967.0311017249. The cubic root of 224012020 is about 607.3286572164.

Adding to 224012020 its reverse (20210422), we get a palindrome (244222442).

The spelling of 224012020 in words is "two hundred twenty-four million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 134947 269894 539788 674735 1349470 2698940 11200601 22401202 44802404 56003005 112006010 224012020