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68630722 = 2199172439
BaseRepresentation
bin1000001011100…
…11100011000010
311210010210122121
410011303203002
5120032140342
610450554454
71462231366
oct405634302
9153123577
1068630722
1135816306
121ab98a2a
13112ac4c4
1491872a6
15605a067
hex41738c2

68630722 has 8 divisors (see below), whose sum is σ = 103464000. Its totient is φ = 34142724.

The previous prime is 68630687. The next prime is 68630729. The reversal of 68630722 is 22703686.

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

It is not an unprimeable number, because it can be changed into a prime (68630729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85822 + ... + 86617.

It is an arithmetic number, because the mean of its divisors is an integer number (12933000).

Almost surely, 268630722 is an apocalyptic number.

68630722 is a deficient number, since it is larger than the sum of its proper divisors (34833278).

68630722 is a wasteful number, since it uses less digits than its factorization.

68630722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172640.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 68630722 is about 8284.3661193841. The cubic root of 68630722 is about 409.4235842111.

The spelling of 68630722 in words is "sixty-eight million, six hundred thirty thousand, seven hundred twenty-two".

Divisors: 1 2 199 398 172439 344878 34315361 68630722