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2238019 = 7378641
BaseRepresentation
bin1000100010011001000011
311012200222121
420202121003
51033104034
6115545111
725010560
oct10423103
94180877
102238019
111299503
128bb197
13604894
14423867
152e31b4
hex222643

2238019 has 8 divisors (see below), whose sum is σ = 2627168. Its totient is φ = 1866240.

The previous prime is 2238013. The next prime is 2238023. The reversal of 2238019 is 9108322.

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 2238019 - 23 = 2238011 is a prime.

It is a super-2 number, since 2×22380192 = 10017458088722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2237984 and 2238002.

It is not an unprimeable number, because it can be changed into a prime (2238011) 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, 4062 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (328396).

22238019 is an apocalyptic number.

2238019 is a deficient number, since it is larger than the sum of its proper divisors (389149).

2238019 is an equidigital number, since it uses as much as digits as its factorization.

2238019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2238019 is about 1496.0010026735. The cubic root of 2238019 is about 130.8040697079.

The spelling of 2238019 in words is "two million, two hundred thirty-eight thousand, nineteen".

Divisors: 1 7 37 259 8641 60487 319717 2238019