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1669113 = 3361819
BaseRepresentation
bin110010111011111111001
310010210121000
412113133321
5411402423
655435213
720121135
oct6273771
93123530
101669113
11a40036
12685b09
13465954
143163c5
1522e843
hex1977f9

1669113 has 8 divisors (see below), whose sum is σ = 2472800. Its totient is φ = 1112724.

The previous prime is 1669103. The next prime is 1669121. The reversal of 1669113 is 3119661.

It is not a de Polignac number, because 1669113 - 24 = 1669097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 61819 = 1669113 / (1 + 6 + 6 + 9 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1669103) 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, 30883 + ... + 30936.

It is an arithmetic number, because the mean of its divisors is an integer number (309100).

21669113 is an apocalyptic number.

It is an amenable number.

1669113 is a deficient number, since it is larger than the sum of its proper divisors (803687).

1669113 is an equidigital number, since it uses as much as digits as its factorization.

1669113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61828 (or 61822 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1669113 is about 1291.9415621459. The cubic root of 1669113 is about 118.6210907686.

The spelling of 1669113 in words is "one million, six hundred sixty-nine thousand, one hundred thirteen".

Divisors: 1 3 9 27 61819 185457 556371 1669113