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68528022 = 23192572339
BaseRepresentation
bin1000001010110…
…10011110010110
311202221120202220
410011122132112
5120020344042
610444443210
71461323103
oct405323626
9152846686
1068528022
1135756132
121ab49506
1311274834
14915baaa
1560398ec
hex415a796

68528022 has 32 divisors (see below), whose sum is σ = 144892800. Its totient is φ = 21547008.

The previous prime is 68527967. The next prime is 68528039. The reversal of 68528022 is 22082586.

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 15 ways as a sum of consecutive naturals, for example, 28129 + ... + 30467.

It is an arithmetic number, because the mean of its divisors is an integer number (4527900).

Almost surely, 268528022 is an apocalyptic number.

68528022 is an abundant number, since it is smaller than the sum of its proper divisors (76364778).

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

68528022 is a wasteful number, since it uses less digits than its factorization.

68528022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 68528022 is about 8278.1653764587. The cubic root of 68528022 is about 409.2192598115.

The spelling of 68528022 in words is "sixty-eight million, five hundred twenty-eight thousand, twenty-two".

Divisors: 1 2 3 6 19 38 57 114 257 514 771 1542 2339 4678 4883 7017 9766 14034 14649 29298 44441 88882 133323 266646 601123 1202246 1803369 3606738 11421337 22842674 34264011 68528022