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349318605 = 35148715661
BaseRepresentation
bin10100110100100…
…010110111001101
3220100022020001010
4110310202313031
51203411143410
654355035433
711441105406
oct2464426715
9810266033
10349318605
1116a1aa269
1298b9bb79
13574a7ccc
14345709ad
1520a01c20
hex14d22dcd

349318605 has 16 divisors (see below), whose sum is σ = 559321344. Its totient is φ = 186166080.

The previous prime is 349318583. The next prime is 349318609. The reversal of 349318605 is 506813943.

It is not a de Polignac number, because 349318605 - 28 = 349318349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349318609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14475 + ... + 30135.

It is an arithmetic number, because the mean of its divisors is an integer number (34957584).

Almost surely, 2349318605 is an apocalyptic number.

It is an amenable number.

349318605 is a deficient number, since it is larger than the sum of its proper divisors (210002739).

349318605 is a wasteful number, since it uses less digits than its factorization.

349318605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 349318605 is about 18690.0670143261. The cubic root of 349318605 is about 704.2722433268.

The spelling of 349318605 in words is "three hundred forty-nine million, three hundred eighteen thousand, six hundred five".

Divisors: 1 3 5 15 1487 4461 7435 15661 22305 46983 78305 234915 23287907 69863721 116439535 349318605