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68208622 = 294736013
BaseRepresentation
bin1000001000011…
…00011111101110
311202100100122021
410010030133232
5114430133442
610433540354
71455522646
oct404143756
9152310567
1068208622
1135558169
121aa146ba
1311192341
1490b7526
155ec4e67
hex410c7ee

68208622 has 8 divisors (see below), whose sum is σ = 102423816. Its totient is φ = 34067352.

The previous prime is 68208617. The next prime is 68208629. The reversal of 68208622 is 22680286.

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

It is a super-2 number, since 2×682086222 = 9304832230277768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68208629) by changing a digit.

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, 16113 + ... + 19900.

It is an arithmetic number, because the mean of its divisors is an integer number (12802977).

Almost surely, 268208622 is an apocalyptic number.

68208622 is a deficient number, since it is larger than the sum of its proper divisors (34215194).

68208622 is a wasteful number, since it uses less digits than its factorization.

68208622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36962.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 68208622 is about 8258.8511307566. The cubic root of 68208622 is about 408.5824973074.

The spelling of 68208622 in words is "sixty-eight million, two hundred eight thousand, six hundred twenty-two".

Divisors: 1 2 947 1894 36013 72026 34104311 68208622