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2212424 = 23276553
BaseRepresentation
bin1000011100001001001000
311011101212122
420130021020
51031244144
6115230412
724543134
oct10341110
94141778
102212424
111281255
128a8408
135c6036
144183c4
152da7ee
hex21c248

2212424 has 8 divisors (see below), whose sum is σ = 4148310. Its totient is φ = 1106208.

The previous prime is 2212421. The next prime is 2212429. The reversal of 2212424 is 4242122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 302500 = 1382^2 + 550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2212421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138269 + ... + 138284.

22212424 is an apocalyptic number.

It is an amenable number.

2212424 is a deficient number, since it is larger than the sum of its proper divisors (1935886).

2212424 is a wasteful number, since it uses less digits than its factorization.

2212424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276559 (or 276555 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 2212424 is about 1487.4219307244. The cubic root of 2212424 is about 130.3035117452.

Adding to 2212424 its reverse (4242122), we get a palindrome (6454546).

The spelling of 2212424 in words is "two million, two hundred twelve thousand, four hundred twenty-four".

Divisors: 1 2 4 8 276553 553106 1106212 2212424