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68133822 = 2325574441
BaseRepresentation
bin1000000111110…
…10001110111110
311202012120000220
410003322032332
5114420240242
610432202210
71455061611
oct403721676
9152176026
1068133822
1135506a49
121a999366
1311167293
149098178
155eacbec
hex40fa3be

68133822 has 16 divisors (see below), whose sum is σ = 136351632. Its totient is φ = 22697280.

The previous prime is 68133817. The next prime is 68133827. The reversal of 68133822 is 22833186.

It is an interprime number because it is at equal distance from previous prime (68133817) and next prime (68133827).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68133827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13122 + ... + 17562.

It is an arithmetic number, because the mean of its divisors is an integer number (8521977).

Almost surely, 268133822 is an apocalyptic number.

68133822 is an abundant number, since it is smaller than the sum of its proper divisors (68217810).

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

68133822 is a wasteful number, since it uses less digits than its factorization.

68133822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003.

The product of its digits is 13824, while the sum is 33.

The square root of 68133822 is about 8254.3214136596. The cubic root of 68133822 is about 408.4330873135.

The spelling of 68133822 in words is "sixty-eight million, one hundred thirty-three thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 2557 4441 5114 7671 8882 13323 15342 26646 11355637 22711274 34066911 68133822