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343029285 = 3257622873
BaseRepresentation
bin10100011100100…
…011011000100101
3212220110200201100
4110130203120211
51200303414120
654012150313
711333462244
oct2434433045
9786420640
10343029285
111666a3a85
1296a68399
13560b5411
14337b495b
15201ad490
hex14723625

343029285 has 12 divisors (see below), whose sum is σ = 594584172. Its totient is φ = 182948928.

The previous prime is 343029277. The next prime is 343029293. The reversal of 343029285 is 582920343.

It is an interprime number because it is at equal distance from previous prime (343029277) and next prime (343029293).

It can be written as a sum of positive squares in 2 ways, for example, as 113870241 + 229159044 = 10671^2 + 15138^2 .

It is not a de Polignac number, because 343029285 - 23 = 343029277 is a prime.

It is a super-2 number, since 2×3430292852 = 235338180735222450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3811392 + ... + 3811481.

It is an arithmetic number, because the mean of its divisors is an integer number (49548681).

Almost surely, 2343029285 is an apocalyptic number.

It is an amenable number.

343029285 is a deficient number, since it is larger than the sum of its proper divisors (251554887).

343029285 is a wasteful number, since it uses less digits than its factorization.

343029285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622884 (or 7622881 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 343029285 is about 18521.0497812624. The cubic root of 343029285 is about 700.0199212018.

The spelling of 343029285 in words is "three hundred forty-three million, twenty-nine thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 45 7622873 22868619 38114365 68605857 114343095 343029285