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68047486 = 2132617211
BaseRepresentation
bin1000000111001…
…01001001111110
311202001011121021
410003211021332
5114410004421
610430254354
71454252113
oct403451176
9152034537
1068047486
11354580a1
121a9573ba
1311136bb0
14907490a
155e92341
hex40e527e

68047486 has 8 divisors (see below), whose sum is σ = 109922904. Its totient is φ = 31406520.

The previous prime is 68047451. The next prime is 68047517. The reversal of 68047486 is 68474086.

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

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 3 ways as a sum of consecutive naturals, for example, 1308580 + ... + 1308631.

It is an arithmetic number, because the mean of its divisors is an integer number (13740363).

Almost surely, 268047486 is an apocalyptic number.

68047486 is a deficient number, since it is larger than the sum of its proper divisors (41875418).

68047486 is a wasteful number, since it uses less digits than its factorization.

68047486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617226.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 68047486 is about 8249.0900104193. The cubic root of 68047486 is about 408.2604986108.

The spelling of 68047486 in words is "sixty-eight million, forty-seven thousand, four hundred eighty-six".

Divisors: 1 2 13 26 2617211 5234422 34023743 68047486