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68141088 = 253623127
BaseRepresentation
bin1000000111111…
…00000000100000
311202012221000000
410003330000200
5114421003323
610432300000
71455122031
oct403740040
9152187000
1068141088
1135511454
121a9a1600
131116a692
14909aa88
155eaee43
hex40fc020

68141088 has 168 divisors, whose sum is σ = 211534848. Its totient is φ = 21555072.

The previous prime is 68141041. The next prime is 68141113. The reversal of 68141088 is 88014186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 536481 + ... + 536607.

It is an arithmetic number, because the mean of its divisors is an integer number (1259136).

Almost surely, 268141088 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 68141088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105767424).

68141088 is an abundant number, since it is smaller than the sum of its proper divisors (143393760).

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

68141088 is a wasteful number, since it uses less digits than its factorization.

68141088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 68141088 is about 8254.7615350172. The cubic root of 68141088 is about 408.4476056503.

The spelling of 68141088 in words is "sixty-eight million, one hundred forty-one thousand, eighty-eight".