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68018342 = 274858453
BaseRepresentation
bin1000000110111…
…10000010100110
311201222200121212
410003132002212
5114403041332
610425511422
71454101130
oct403360246
9151880555
1068018342
1135438207
121a942572
1311126852
149068050
155e888b2
hex40de0a6

68018342 has 8 divisors (see below), whose sum is σ = 116602896. Its totient is φ = 29150712.

The previous prime is 68018341. The next prime is 68018359. The reversal of 68018342 is 24381086.

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

It is a junction number, because it is equal to n+sod(n) for n = 68018299 and 68018308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68018341) 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, 2429213 + ... + 2429240.

It is an arithmetic number, because the mean of its divisors is an integer number (14575362).

Almost surely, 268018342 is an apocalyptic number.

68018342 is a deficient number, since it is larger than the sum of its proper divisors (48584554).

68018342 is a wasteful number, since it uses less digits than its factorization.

68018342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858462.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 68018342 is about 8247.3233233577. The cubic root of 68018342 is about 408.2022057739.

The spelling of 68018342 in words is "sixty-eight million, eighteen thousand, three hundred forty-two".

Divisors: 1 2 7 14 4858453 9716906 34009171 68018342