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343000351 = 1381248371
BaseRepresentation
bin10100011100011…
…100010100011111
3212220102020000201
4110130130110133
51200302002401
654011404331
711333312011
oct2434342437
9786366021
10343000351
11166684271
1296a536a7
13560a51b5
14337a81b1
15201a4b01
hex1471c51f

343000351 has 4 divisors (see below), whose sum is σ = 343250104. Its totient is φ = 342750600.

The previous prime is 343000349. The next prime is 343000363. The reversal of 343000351 is 153000343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153000343 = 739207037.

It is a cyclic number.

It is not a de Polignac number, because 343000351 - 21 = 343000349 is a prime.

It is a super-2 number, since 2×3430003512 = 235298481572246402, which contains 22 as substring.

It is a Duffinian number.

343000351 is a modest number, since divided by 351 gives 343 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343000321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122805 + ... + 125566.

It is an arithmetic number, because the mean of its divisors is an integer number (85812526).

Almost surely, 2343000351 is an apocalyptic number.

343000351 is the 9900-th centered heptagonal number.

343000351 is a deficient number, since it is larger than the sum of its proper divisors (249753).

343000351 is a wasteful number, since it uses less digits than its factorization.

343000351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249752.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 343000351 is about 18520.2686535590. The cubic root of 343000351 is about 700.0002387754. Note that the first 3 decimals are identical.

Adding to 343000351 its reverse (153000343), we get a palindrome (496000694).

The spelling of 343000351 in words is "three hundred forty-three million, three hundred fifty-one", and thus it is an aban number.

Divisors: 1 1381 248371 343000351