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349313331 = 3176849281
BaseRepresentation
bin10100110100100…
…001100100110011
3220100021221210210
4110310201210303
51203411011311
654354555203
711441054133
oct2464414463
9810257723
10349313331
1116a1a6304
1298b98b03
13574a57a3
143456cac3
1520a003a6
hex14d21933

349313331 has 8 divisors (see below), whose sum is σ = 493148304. Its totient is φ = 219176960.

The previous prime is 349313329. The next prime is 349313339. The reversal of 349313331 is 133313943.

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

It is a cyclic number.

It is not a de Polignac number, because 349313331 - 21 = 349313329 is a prime.

It is a super-2 number, since 2×3493133312 = 244039606428631122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349313339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424590 + ... + 3424691.

It is an arithmetic number, because the mean of its divisors is an integer number (61643538).

Almost surely, 2349313331 is an apocalyptic number.

349313331 is a deficient number, since it is larger than the sum of its proper divisors (143834973).

349313331 is a wasteful number, since it uses less digits than its factorization.

349313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849301.

The product of its digits is 8748, while the sum is 30.

The square root of 349313331 is about 18689.9259228066. The cubic root of 349313331 is about 704.2686989498.

The spelling of 349313331 in words is "three hundred forty-nine million, three hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 3 17 51 6849281 20547843 116437777 349313331