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68065294 = 2117939163
BaseRepresentation
bin1000000111010…
…01100000001110
311202002002000211
410003221200032
5114411042134
610430513034
71454355043
oct403514016
9152062024
1068065294
113546a510
121a96577a
131114202b
14907b1ca
155e97764
hex40e980e

68065294 has 16 divisors (see below), whose sum is σ = 112792320. Its totient is φ = 30546360.

The previous prime is 68065247. The next prime is 68065313. The reversal of 68065294 is 49256086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17844 + ... + 21319.

It is an arithmetic number, because the mean of its divisors is an integer number (7049520).

Almost surely, 268065294 is an apocalyptic number.

68065294 is a deficient number, since it is larger than the sum of its proper divisors (44727026).

68065294 is a wasteful number, since it uses less digits than its factorization.

68065294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39255.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 68065294 is about 8250.1693315956. The cubic root of 68065294 is about 408.2961093746.

It can be divided in two parts, 6806 and 5294, that added together give a square (12100 = 1102).

The spelling of 68065294 in words is "sixty-eight million, sixty-five thousand, two hundred ninety-four".

Divisors: 1 2 11 22 79 158 869 1738 39163 78326 430793 861586 3093877 6187754 34032647 68065294