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68339785 = 523673883
BaseRepresentation
bin1000001001011…
…00100001001001
311202121000120011
410010230201021
5114443333120
610440431521
71456610233
oct404544111
9152530504
1068339785
1135637768
121aa785a1
1311209c57
14910d253
155eedc5a
hex412c849

68339785 has 16 divisors (see below), whose sum is σ = 85797504. Its totient is φ = 52157952.

The previous prime is 68339749. The next prime is 68339797. The reversal of 68339785 is 58793386.

It is a cyclic number.

It is not a de Polignac number, because 68339785 - 27 = 68339657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76954 + ... + 77836.

It is an arithmetic number, because the mean of its divisors is an integer number (5362344).

Almost surely, 268339785 is an apocalyptic number.

It is an amenable number.

68339785 is a deficient number, since it is larger than the sum of its proper divisors (17457719).

68339785 is a wasteful number, since it uses less digits than its factorization.

68339785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its digits is 1088640, while the sum is 49.

The square root of 68339785 is about 8266.7880703451. The cubic root of 68339785 is about 408.8442266410.

The spelling of 68339785 in words is "sixty-eight million, three hundred thirty-nine thousand, seven hundred eighty-five".

Divisors: 1 5 23 115 673 883 3365 4415 15479 20309 77395 101545 594259 2971295 13667957 68339785