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68487134 = 2191802293
BaseRepresentation
bin1000001010100…
…00011111011110
311202212111200112
410011100133132
5120013042014
610443530022
71461062642
oct405203736
9152774615
1068487134
1135728441
121ab29912
131125c041
14914ac22
15602c73e
hex41507de

68487134 has 8 divisors (see below), whose sum is σ = 108137640. Its totient is φ = 32441256.

The previous prime is 68487121. The next prime is 68487143. The reversal of 68487134 is 43178486.

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 = 68487091 and 68487100.

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, 901109 + ... + 901184.

It is an arithmetic number, because the mean of its divisors is an integer number (13517205).

Almost surely, 268487134 is an apocalyptic number.

68487134 is a deficient number, since it is larger than the sum of its proper divisors (39650506).

68487134 is a wasteful number, since it uses less digits than its factorization.

68487134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802314.

The product of its digits is 129024, while the sum is 41.

The square root of 68487134 is about 8275.6953786374. The cubic root of 68487134 is about 409.1378552244.

The spelling of 68487134 in words is "sixty-eight million, four hundred eighty-seven thousand, one hundred thirty-four".

Divisors: 1 2 19 38 1802293 3604586 34243567 68487134