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68532612 = 2235711051
BaseRepresentation
bin1000001010110…
…11100110000100
311202221211001220
410011123212010
5120021020422
610444520340
71461342351
oct405334604
9152854056
1068532612
1135759625
121ab500b0
1311276955
14915d628
15603ae5c
hex415b984

68532612 has 12 divisors (see below), whose sum is σ = 159909456. Its totient is φ = 22844200.

The previous prime is 68532577. The next prime is 68532613. The reversal of 68532612 is 21623586.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68532613) 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, 2855514 + ... + 2855537.

It is an arithmetic number, because the mean of its divisors is an integer number (13325788).

Almost surely, 268532612 is an apocalyptic number.

It is an amenable number.

68532612 is an abundant number, since it is smaller than the sum of its proper divisors (91376844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68532612 is a wasteful number, since it uses less digits than its factorization.

68532612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711058 (or 5711056 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 68532612 is about 8278.4426071575. The cubic root of 68532612 is about 409.2283960958.

The spelling of 68532612 in words is "sixty-eight million, five hundred thirty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 5711051 11422102 17133153 22844204 34266306 68532612