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68192112 = 24347167181
BaseRepresentation
bin1000001000010…
…00011101110000
311202022111222210
410010020131300
5114424121422
610433332120
71455423552
oct404103560
9152274883
1068192112
113554681a
121aa07040
1311187981
1490b14d2
155ec010c
hex4108770

68192112 has 80 divisors (see below), whose sum is σ = 181988352. Its totient is φ = 21991680.

The previous prime is 68192107. The next prime is 68192119. The reversal of 68192112 is 21129186.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68192112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68192119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376662 + ... + 376842.

Almost surely, 268192112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68192112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90994176).

68192112 is an abundant number, since it is smaller than the sum of its proper divisors (113796240).

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

68192112 is a wasteful number, since it uses less digits than its factorization.

68192112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 400 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 68192112 is about 8257.8515365681. The cubic root of 68192112 is about 408.5495286437.

The spelling of 68192112 in words is "sixty-eight million, one hundred ninety-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 94 141 167 181 188 282 334 362 376 501 543 564 668 724 752 1002 1086 1128 1336 1448 2004 2172 2256 2672 2896 4008 4344 7849 8016 8507 8688 15698 17014 23547 25521 30227 31396 34028 47094 51042 60454 62792 68056 90681 94188 102084 120908 125584 136112 181362 188376 204168 241816 362724 376752 408336 483632 725448 1420669 1450896 2841338 4262007 5682676 8524014 11365352 17048028 22730704 34096056 68192112