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68580838 = 2109314591
BaseRepresentation
bin1000001011001…
…11010111100110
311210001021020001
410011213113212
5120024041323
610445531514
71461633064
oct405472746
9153037201
1068580838
1135791887
121ab73b9a
13112928a1
149173034
15604a3ad
hex41675e6

68580838 has 8 divisors (see below), whose sum is σ = 103815360. Its totient is φ = 33975720.

The previous prime is 68580821. The next prime is 68580851. The reversal of 68580838 is 83808586.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157078 + ... + 157513.

It is an arithmetic number, because the mean of its divisors is an integer number (12976920).

Almost surely, 268580838 is an apocalyptic number.

68580838 is a deficient number, since it is larger than the sum of its proper divisors (35234522).

68580838 is a wasteful number, since it uses less digits than its factorization.

68580838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314702.

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 68580838 is about 8281.3548408458. The cubic root of 68580838 is about 409.3243641351.

The spelling of 68580838 in words is "sixty-eight million, five hundred eighty thousand, eight hundred thirty-eight".

Divisors: 1 2 109 218 314591 629182 34290419 68580838