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68797060 = 22531372999
BaseRepresentation
bin1000001100111…
…00001010000100
311210110020211021
410012130022010
5120103001220
610454320524
71463523343
oct406341204
9153406737
1068797060
113591a282
121b059144
131133a127
1491cbb5a
15608e4aa
hex419c284

68797060 has 48 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 25902720.

The previous prime is 68797051. The next prime is 68797063. The reversal of 68797060 is 6079786.

It is a junction number, because it is equal to n+sod(n) for n = 68796998 and 68797016.

It is not an unprimeable number, because it can be changed into a prime (68797063) 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, 21441 + ... + 24439.

It is an arithmetic number, because the mean of its divisors is an integer number (3192000).

Almost surely, 268797060 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 68797060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76608000).

68797060 is an abundant number, since it is smaller than the sum of its proper divisors (84418940).

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

68797060 is a wasteful number, since it uses less digits than its factorization.

68797060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 68797060 is about 8294.3993152006. The cubic root of 68797060 is about 409.7540861239.

The spelling of 68797060 in words is "sixty-eight million, seven hundred ninety-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 31 37 62 74 124 148 155 185 310 370 620 740 1147 2294 2999 4588 5735 5998 11470 11996 14995 22940 29990 59980 92969 110963 185938 221926 371876 443852 464845 554815 929690 1109630 1859380 2219260 3439853 6879706 13759412 17199265 34398530 68797060