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67286060 = 2253364303
BaseRepresentation
bin1000000001010…
…11010000101100
311200121111010022
410000223100230
5114211123220
610402101312
71444631162
oct400532054
9150544108
1067286060
1134a88016
121a64a838
1310c2b44a
148d17232
155d91925
hex402b42c

67286060 has 12 divisors (see below), whose sum is σ = 141300768. Its totient is φ = 26914416.

The previous prime is 67286057. The next prime is 67286077. The reversal of 67286060 is 6068276.

It is a self number, because there is not a number n which added to its sum of digits gives 67286060.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682132 + ... + 1682171.

It is an arithmetic number, because the mean of its divisors is an integer number (11775064).

Almost surely, 267286060 is an apocalyptic number.

It is an amenable number.

67286060 is an abundant number, since it is smaller than the sum of its proper divisors (74014708).

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

67286060 is a wasteful number, since it uses less digits than its factorization.

67286060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364312 (or 3364310 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 67286060 is about 8202.8080557819. The cubic root of 67286060 is about 406.7320224024.

The spelling of 67286060 in words is "sixty-seven million, two hundred eighty-six thousand, sixty".

Divisors: 1 2 4 5 10 20 3364303 6728606 13457212 16821515 33643030 67286060