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68516022 = 2311419337
BaseRepresentation
bin1000001010101…
…11100010110110
311202220222022110
410011113202312
5120020003042
610444311450
71461243111
oct405274266
9152828273
1068516022
1135748113
121ab42586
131126c233
149157578
15603609c
hex41578b6

68516022 has 8 divisors (see below), whose sum is σ = 137032056. Its totient is φ = 22838672.

The previous prime is 68516017. The next prime is 68516087. The reversal of 68516022 is 22061586.

It is a sphenic number, since it is the product of 3 distinct primes.

68516022 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5709663 + ... + 5709674.

It is an arithmetic number, because the mean of its divisors is an integer number (17129007).

Almost surely, 268516022 is an apocalyptic number.

68516022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68516022 is a wasteful number, since it uses less digits than its factorization.

68516022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419342.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 68516022 is about 8277.4405464491. The cubic root of 68516022 is about 409.1953721734.

The spelling of 68516022 in words is "sixty-eight million, five hundred sixteen thousand, twenty-two".

Divisors: 1 2 3 6 11419337 22838674 34258011 68516022