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68546074 = 21710119961
BaseRepresentation
bin1000001010111…
…10111000011010
311202222111112111
410011132320122
5120021433244
610445102534
71461426532
oct405367032
9152874474
1068546074
1135768753
121ab57a4a
131127cb0c
1491644c2
15603ee34
hex415ee1a

68546074 has 16 divisors (see below), whose sum is σ = 109950696. Its totient is φ = 31936000.

The previous prime is 68546047. The next prime is 68546083. The reversal of 68546074 is 47064586.

It can be written as a sum of positive squares in 4 ways, for example, as 62331025 + 6215049 = 7895^2 + 2493^2 .

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 7 ways as a sum of consecutive naturals, for example, 6547 + ... + 13414.

Almost surely, 268546074 is an apocalyptic number.

68546074 is a deficient number, since it is larger than the sum of its proper divisors (41404622).

68546074 is a wasteful number, since it uses less digits than its factorization.

68546074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 68546074 is about 8279.2556428703. The cubic root of 68546074 is about 409.2551895295.

The spelling of 68546074 in words is "sixty-eight million, five hundred forty-six thousand, seventy-four".

Divisors: 1 2 17 34 101 202 1717 3434 19961 39922 339337 678674 2016061 4032122 34273037 68546074