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2228489 = 59107353
BaseRepresentation
bin1000100000000100001001
311012012220122
420200010021
51032302424
6115433025
724641024
oct10400411
94165818
102228489
11129232a
128b5775
13600443
144201bb
152e045e
hex220109

2228489 has 8 divisors (see below), whose sum is σ = 2293920. Its totient is φ = 2164096.

The previous prime is 2228483. The next prime is 2228507. The reversal of 2228489 is 9848222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2228489 is a prime.

It is a d-powerful number, because it can be written as 26 + 217 + 221 + 82 + 43 + 82 + 9 .

It is not an unprimeable number, because it can be changed into a prime (2228483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (286740).

22228489 is an apocalyptic number.

It is an amenable number.

2228489 is a deficient number, since it is larger than the sum of its proper divisors (65431).

2228489 is a wasteful number, since it uses less digits than its factorization.

2228489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its digits is 18432, while the sum is 35.

The square root of 2228489 is about 1492.8124463575. The cubic root of 2228489 is about 130.6181409370.

The spelling of 2228489 in words is "two million, two hundred twenty-eight thousand, four hundred eighty-nine".

Divisors: 1 59 107 353 6313 20827 37771 2228489