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34222143 = 311407381
BaseRepresentation
bin1000001010001…
…1000000111111
32101101122221210
42002203000333
532230102033
63221255503
7563612004
oct202430077
971348853
1034222143
111835466a
12b564593
1371229b7
14478b8ab
15300ed63
hex20a303f

34222143 has 4 divisors (see below), whose sum is σ = 45629528. Its totient is φ = 22814760.

The previous prime is 34222121. The next prime is 34222169. The reversal of 34222143 is 34122243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34122243 = 311374081.

It is not a de Polignac number, because 34222143 - 213 = 34213951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34222103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5703688 + ... + 5703693.

It is an arithmetic number, because the mean of its divisors is an integer number (11407382).

Almost surely, 234222143 is an apocalyptic number.

34222143 is a deficient number, since it is larger than the sum of its proper divisors (11407385).

34222143 is a wasteful number, since it uses less digits than its factorization.

34222143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407384.

The product of its digits is 1152, while the sum is 21.

The square root of 34222143 is about 5849.9694870999. The cubic root of 34222143 is about 324.6651952526.

Adding to 34222143 its reverse (34122243), we get a palindrome (68344386).

It can be divided in two parts, 3422 and 2143, that added together give a triangular number (5565 = T105).

The spelling of 34222143 in words is "thirty-four million, two hundred twenty-two thousand, one hundred forty-three".

Divisors: 1 3 11407381 34222143