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349275311 = 71122320341
BaseRepresentation
bin10100110100011…
…000010010101111
3220100020000122122
4110310120102233
51203403302221
654354103155
711440535240
oct2464302257
9810200578
10349275311
1116a17a790
1298b7aabb
13574913a8
143455ccc7
15209e3eab
hex14d184af

349275311 has 16 divisors (see below), whose sum is σ = 437434368. Its totient is φ = 270928800.

The previous prime is 349275307. The next prime is 349275331. The reversal of 349275311 is 113572943.

It is a cyclic number.

It is not a de Polignac number, because 349275311 - 22 = 349275307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349275331) 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, 7001 + ... + 27341.

It is an arithmetic number, because the mean of its divisors is an integer number (27339648).

Almost surely, 2349275311 is an apocalyptic number.

349275311 is a deficient number, since it is larger than the sum of its proper divisors (88159057).

349275311 is a wasteful number, since it uses less digits than its factorization.

349275311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20582.

The product of its digits is 22680, while the sum is 35.

The square root of 349275311 is about 18688.9087696420. The cubic root of 349275311 is about 704.2431466589.

The spelling of 349275311 in words is "three hundred forty-nine million, two hundred seventy-five thousand, three hundred eleven".

Divisors: 1 7 11 77 223 1561 2453 17171 20341 142387 223751 1566257 4536043 31752301 49896473 349275311