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68793825 = 352917251
BaseRepresentation
bin1000001100110…
…11010111100001
311210110002101110
410012123113201
5120102400300
610454253533
71463511042
oct406332741
9153402343
1068793825
1135917901
121b0572a9
1311338809
1491ca8c9
15608d550
hex419b5e1

68793825 has 12 divisors (see below), whose sum is σ = 113739248. Its totient is φ = 36690000.

The previous prime is 68793799. The next prime is 68793847. The reversal of 68793825 is 52839786.

It is not a de Polignac number, because 68793825 - 26 = 68793761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458551 + ... + 458700.

Almost surely, 268793825 is an apocalyptic number.

It is an amenable number.

68793825 is a deficient number, since it is larger than the sum of its proper divisors (44945423).

68793825 is a wasteful number, since it uses less digits than its factorization.

68793825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917264 (or 917259 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 68793825 is about 8294.2043018001. The cubic root of 68793825 is about 409.7476634888.

The spelling of 68793825 in words is "sixty-eight million, seven hundred ninety-three thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 917251 2751753 4586255 13758765 22931275 68793825