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343213112 = 231121918661
BaseRepresentation
bin10100011101010…
…000010000111000
3212220211000212202
4110131100100320
51200330304422
654020125332
711335156214
oct2435202070
9786730782
10343213112
1116680a100
1296b36848
135614aca8
1433821944
15201e7b92
hex14750438

343213112 has 48 divisors (see below), whose sum is σ = 744613800. Its totient is φ = 147787200.

The previous prime is 343213097. The next prime is 343213141. The reversal of 343213112 is 211312343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9062 + ... + 27722.

Almost surely, 2343213112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343213112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372306900).

343213112 is an abundant number, since it is smaller than the sum of its proper divisors (401400688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343213112 is a wasteful number, since it uses less digits than its factorization.

343213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18708 (or 18693 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 343213112 is about 18526.0117672423. The cubic root of 343213112 is about 700.1449441350.

Adding to 343213112 its reverse (211312343), we get a palindrome (554525455).

The spelling of 343213112 in words is "three hundred forty-three million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 121 152 209 242 418 484 836 968 1672 2299 4598 9196 18392 18661 37322 74644 149288 205271 354559 410542 709118 821084 1418236 1642168 2257981 2836472 3900149 4515962 7800298 9031924 15600596 18063848 31201192 42901639 85803278 171606556 343213112