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68373745 = 5111773127
BaseRepresentation
bin1000001001101…
…00110011110001
311202122202010221
410010310303301
5120000424440
610441253041
71460111236
oct404646361
9152582127
1068373745
1135660230
121aa94181
131121c54b
14911b78d
156008d4a
hex4134cf1

68373745 has 16 divisors (see below), whose sum is σ = 94773888. Its totient is φ = 46800640.

The previous prime is 68373737. The next prime is 68373751. The reversal of 68373745 is 54737386.

It is not a de Polignac number, because 68373745 - 23 = 68373737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35629 + ... + 37498.

It is an arithmetic number, because the mean of its divisors is an integer number (5923368).

Almost surely, 268373745 is an apocalyptic number.

It is an amenable number.

68373745 is a deficient number, since it is larger than the sum of its proper divisors (26400143).

68373745 is a wasteful number, since it uses less digits than its factorization.

68373745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73160.

The product of its digits is 423360, while the sum is 43.

The square root of 68373745 is about 8268.8418173285. The cubic root of 68373745 is about 408.9119375687.

The spelling of 68373745 in words is "sixty-eight million, three hundred seventy-three thousand, seven hundred forty-five".

Divisors: 1 5 11 17 55 85 187 935 73127 365635 804397 1243159 4021985 6215795 13674749 68373745