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68066600 = 2352748619
BaseRepresentation
bin1000000111010…
…01110100101000
311202002010211012
410003221310220
5114411112400
610430523052
71454361620
oct403516450
9152063735
1068066600
1135470498
121a966488
13111427c4
14907b880
155e97d35
hex40e9d28

68066600 has 48 divisors (see below), whose sum is σ = 180866400. Its totient is φ = 23336640.

The previous prime is 68066599. The next prime is 68066617. The reversal of 68066600 is 666086.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22910 + ... + 25709.

It is an arithmetic number, because the mean of its divisors is an integer number (3768050).

Almost surely, 268066600 is an apocalyptic number.

It is an amenable number.

68066600 is an abundant number, since it is smaller than the sum of its proper divisors (112799800).

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

68066600 is a wasteful number, since it uses less digits than its factorization.

68066600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48642 (or 48633 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68066600 is about 8250.2484811065. The cubic root of 68066600 is about 408.2987207461.

The spelling of 68066600 in words is "sixty-eight million, sixty-six thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 48619 97238 194476 243095 340333 388952 486190 680666 972380 1215475 1361332 1701665 1944760 2430950 2722664 3403330 4861900 6806660 8508325 9723800 13613320 17016650 34033300 68066600