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349469305 = 5611145801
BaseRepresentation
bin10100110101000…
…111101001111001
3220100120212202121
4110311013221321
51203431004210
654402201241
711442303643
oct2465075171
9810525677
10349469305
1116a2a2509
1299053221
135752b793
14345ad893
1520a316da
hex14d47a79

349469305 has 8 divisors (see below), whose sum is σ = 426238344. Its totient is φ = 274992000.

The previous prime is 349469297. The next prime is 349469317. The reversal of 349469305 is 503964943.

It can be written as a sum of positive squares in 4 ways, for example, as 25361296 + 324108009 = 5036^2 + 18003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 349469305 - 23 = 349469297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572596 + ... + 573205.

It is an arithmetic number, because the mean of its divisors is an integer number (53279793).

Almost surely, 2349469305 is an apocalyptic number.

It is an amenable number.

349469305 is a deficient number, since it is larger than the sum of its proper divisors (76769039).

349469305 is a wasteful number, since it uses less digits than its factorization.

349469305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145867.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 349469305 is about 18694.0981328333. The cubic root of 349469305 is about 704.3735057720.

The spelling of 349469305 in words is "three hundred forty-nine million, four hundred sixty-nine thousand, three hundred five".

Divisors: 1 5 61 305 1145801 5729005 69893861 349469305