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68207260 = 22511389797
BaseRepresentation
bin1000001000011…
…00001010011100
311202100021202211
410010030022130
5114430113020
610433530204
71455515662
oct404141234
9152307684
1068207260
1135557140
121aa13964
1311191834
1490b6c32
155ec485a
hex410c29c

68207260 has 48 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 24707840.

The previous prime is 68207221. The next prime is 68207267. The reversal of 68207260 is 6270286.

It is a happy number.

68207260 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

68207260 is a modest number, since divided by 7260 gives 6820 as remainder.

68207260 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68207267) 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, 85182 + ... + 85978.

It is an arithmetic number, because the mean of its divisors is an integer number (3267810).

Almost surely, 268207260 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 68207260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78427440).

68207260 is an abundant number, since it is smaller than the sum of its proper divisors (88647620).

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

68207260 is a wasteful number, since it uses less digits than its factorization.

68207260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 68207260 is about 8258.7686733556. The cubic root of 68207260 is about 408.5797777438.

The spelling of 68207260 in words is "sixty-eight million, two hundred seven thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 389 778 797 1556 1594 1945 3188 3890 3985 4279 7780 7970 8558 8767 15940 17116 17534 21395 35068 42790 43835 85580 87670 175340 310033 620066 1240132 1550165 3100330 3410363 6200660 6820726 13641452 17051815 34103630 68207260