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349262807 = 1719256911
BaseRepresentation
bin10100110100010…
…101001111010111
3220100012101111112
4110310111033113
51203402402212
654353525235
711440453625
oct2464251727
9810171445
10349262807
1116a171353
1298b7381b
13574887aa
1434558515
15209e0422
hex14d153d7

349262807 has 12 divisors (see below), whose sum is σ = 390302496. Its totient is φ = 311411520.

The previous prime is 349262783. The next prime is 349262819. The reversal of 349262807 is 708262943.

It is a happy number.

It is not a de Polignac number, because 349262807 - 214 = 349246423 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 (349262857) 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, 22319 + ... + 34592.

It is an arithmetic number, because the mean of its divisors is an integer number (32525208).

Almost surely, 2349262807 is an apocalyptic number.

349262807 is a deficient number, since it is larger than the sum of its proper divisors (41039689).

349262807 is a wasteful number, since it uses less digits than its factorization.

349262807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56966 (or 56947 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 349262807 is about 18688.5742366827. The cubic root of 349262807 is about 704.2347426282.

The spelling of 349262807 in words is "three hundred forty-nine million, two hundred sixty-two thousand, eight hundred seven".

Divisors: 1 17 19 323 361 6137 56911 967487 1081309 18382253 20544871 349262807