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68742262 = 2233793943
BaseRepresentation
bin1000001100011…
…10110001110110
311210100110122201
410012032301312
5120044223022
610453215114
71463204521
oct406166166
9153313581
1068742262
1135892096
121b03149a
131131b1c4
1491b5bb8
15607d127
hex418ec76

68742262 has 16 divisors (see below), whose sum is σ = 107907840. Its totient is φ = 32781672.

The previous prime is 68742253. The next prime is 68742287. The reversal of 68742262 is 26224786.

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 7 ways as a sum of consecutive naturals, for example, 15463 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (6744240).

Almost surely, 268742262 is an apocalyptic number.

68742262 is a deficient number, since it is larger than the sum of its proper divisors (39165578).

68742262 is a wasteful number, since it uses less digits than its factorization.

68742262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347.

The product of its digits is 64512, while the sum is 37.

The square root of 68742262 is about 8291.0953438011. The cubic root of 68742262 is about 409.6452652497.

The spelling of 68742262 in words is "sixty-eight million, seven hundred forty-two thousand, two hundred sixty-two".

Divisors: 1 2 23 46 379 758 3943 7886 8717 17434 90689 181378 1494397 2988794 34371131 68742262