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8349849 = 323372753
BaseRepresentation
bin11111110110100010011001
3120201012211200
4133312202121
54114143344
6454544413
7130654404
oct37664231
916635750
108349849
114793402
122968109
131964751
141174d3b
15aee069
hex7f6899

8349849 has 12 divisors (see below), whose sum is σ = 12101076. Its totient is φ = 5548032.

The previous prime is 8349829. The next prime is 8349871. The reversal of 8349849 is 9489438.

It is a happy number.

8349849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5322249 + 3027600 = 2307^2 + 1740^2 .

It is not a de Polignac number, because 8349849 - 29 = 8349337 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8349829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1657 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (1008423).

Almost surely, 28349849 is an apocalyptic number.

It is an amenable number.

8349849 is a deficient number, since it is larger than the sum of its proper divisors (3751227).

8349849 is a wasteful number, since it uses less digits than its factorization.

8349849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3093 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 8349849 is about 2889.6105273895. The cubic root of 8349849 is about 202.8739136294.

The spelling of 8349849 in words is "eight million, three hundred forty-nine thousand, eight hundred forty-nine".

Divisors: 1 3 9 337 1011 2753 3033 8259 24777 927761 2783283 8349849