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4889849 = 109113397
BaseRepresentation
bin10010101001110011111001
3100012102121112
4102221303321
52222433344
6252450105
756364056
oct22516371
910172545
104889849
11283a8a8
121779935
131022903
1491402d
15668c9e
hex4a9cf9

4889849 has 8 divisors (see below), whose sum is σ = 4990920. Its totient is φ = 4790016.

The previous prime is 4889813. The next prime is 4889851. The reversal of 4889849 is 9489884.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 4579600 = 557^2 + 2140^2 .

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 4889849 - 212 = 4885753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4889797 and 4889806.

It is not an unprimeable number, because it can be changed into a prime (4889879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12119 + ... + 12515.

It is an arithmetic number, because the mean of its divisors is an integer number (623865).

Almost surely, 24889849 is an apocalyptic number.

It is an amenable number.

4889849 is a deficient number, since it is larger than the sum of its proper divisors (101071).

4889849 is a wasteful number, since it uses less digits than its factorization.

4889849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its digits is 663552, while the sum is 50.

The square root of 4889849 is about 2211.3002962058. The cubic root of 4889849 is about 169.7325552539.

The spelling of 4889849 in words is "four million, eight hundred eighty-nine thousand, eight hundred forty-nine".

Divisors: 1 109 113 397 12317 43273 44861 4889849