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2238017 = 29229337
BaseRepresentation
bin1000100010011001000001
311012200222112
420202121001
51033104032
6115545105
725010555
oct10423101
94180875
102238017
111299501
128bb195
13604892
14423865
152e31b2
hex222641

2238017 has 8 divisors (see below), whose sum is σ = 2332200. Its totient is φ = 2145024.

The previous prime is 2238013. The next prime is 2238023. The reversal of 2238017 is 7108322.

It is a Cunningham number, because it is equal to 14962+1.

It can be written as a sum of positive squares in 4 ways, for example, as 602176 + 1635841 = 776^2 + 1279^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2238017 - 22 = 2238013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2237983 and 2238001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238011) 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 in 7 ways as a sum of consecutive naturals, for example, 6473 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (291525).

22238017 is an apocalyptic number.

It is an amenable number.

2238017 is a deficient number, since it is larger than the sum of its proper divisors (94183).

2238017 is a wasteful number, since it uses less digits than its factorization.

2238017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2238017 is about 1496.0003342246. Note that the first 3 decimals coincide. The cubic root of 2238017 is about 130.8040307436.

The spelling of 2238017 in words is "two million, two hundred thirty-eight thousand, seventeen".

Divisors: 1 29 229 337 6641 9773 77173 2238017