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68525064 = 23326471471
BaseRepresentation
bin1000001010110…
…01110000001000
311202221102201100
410011121300020
5120020300224
610444421400
71461311346
oct405316010
9152842640
1068525064
1135753993
121ab47860
131127339a
14915a996
156038ac9
hex4159c08

68525064 has 48 divisors (see below), whose sum is σ = 186001920. Its totient is φ = 22790880.

The previous prime is 68525003. The next prime is 68525069. The reversal of 68525064 is 46052586.

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

It is not an unprimeable number, because it can be changed into a prime (68525069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45849 + ... + 47319.

It is an arithmetic number, because the mean of its divisors is an integer number (3875040).

Almost surely, 268525064 is an apocalyptic number.

It is an amenable number.

68525064 is an abundant number, since it is smaller than the sum of its proper divisors (117476856).

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

68525064 is a wasteful number, since it uses less digits than its factorization.

68525064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 68525064 is about 8277.9867117555. The cubic root of 68525064 is about 409.2133717677.

The spelling of 68525064 in words is "sixty-eight million, five hundred twenty-five thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 647 1294 1471 1941 2588 2942 3882 4413 5176 5823 5884 7764 8826 11646 11768 13239 15528 17652 23292 26478 35304 46584 52956 105912 951737 1903474 2855211 3806948 5710422 7613896 8565633 11420844 17131266 22841688 34262532 68525064