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68014782 = 23311671709
BaseRepresentation
bin1000000110111…
…01001010111110
311201222111202000
410003131022332
5114402433112
610425443130
71454054553
oct403351276
9151874660
1068014782
1135435570
121a9404a6
1311125044
149066a2a
155e877dc
hex40dd2be

68014782 has 64 divisors (see below), whose sum is σ = 167443200. Its totient is φ = 20291040.

The previous prime is 68014763. The next prime is 68014783. The reversal of 68014782 is 28741086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68014783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38944 + ... + 40652.

It is an arithmetic number, because the mean of its divisors is an integer number (2616300).

Almost surely, 268014782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68014782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83721600).

68014782 is an abundant number, since it is smaller than the sum of its proper divisors (99428418).

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

68014782 is a wasteful number, since it uses less digits than its factorization.

68014782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 68014782 is about 8247.1074929335. The cubic root of 68014782 is about 408.1950840419.

The spelling of 68014782 in words is "sixty-eight million, fourteen thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 67 99 134 198 201 297 402 594 603 737 1206 1474 1709 1809 2211 3418 3618 4422 5127 6633 10254 13266 15381 18799 19899 30762 37598 39798 46143 56397 92286 112794 114503 169191 229006 338382 343509 507573 687018 1015146 1030527 1259533 2061054 2519066 3091581 3778599 6183162 7557198 11335797 22671594 34007391 68014782