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849334109 = 13121353861
BaseRepresentation
bin110010100111111…
…100111101011101
32012012011122100212
4302213330331131
53214412142414
6220140102205
730022135511
oct6247747535
92165148325
10849334109
113a6477318
121b8534965
13106c67180
1480b2c141
154e86e83e
hex329fcf5d

849334109 has 8 divisors (see below), whose sum is σ = 915438552. Its totient is φ = 783339840.

The previous prime is 849334099. The next prime is 849334153. The reversal of 849334109 is 901433948.

It can be written as a sum of positive squares in 4 ways, for example, as 22944100 + 826390009 = 4790^2 + 28747^2 .

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-849334109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849334159) 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, 11162 + ... + 42699.

It is an arithmetic number, because the mean of its divisors is an integer number (114429819).

Almost surely, 2849334109 is an apocalyptic number.

It is an amenable number.

849334109 is a deficient number, since it is larger than the sum of its proper divisors (66104443).

849334109 is a wasteful number, since it uses less digits than its factorization.

849334109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55087.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 849334109 is about 29143.3373003162. The cubic root of 849334109 is about 947.0208088790.

The spelling of 849334109 in words is "eight hundred forty-nine million, three hundred thirty-four thousand, one hundred nine".

Divisors: 1 13 1213 15769 53861 700193 65333393 849334109