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68796806 = 2136773541
BaseRepresentation
bin1000001100111…
…00000110000110
311210110020110212
410012130012012
5120102444211
610454315422
71463522531
oct406340606
9153406425
1068796806
113591a071
121b058b72
1311339c90
1491cba18
15608e38b
hex419c186

68796806 has 32 divisors (see below), whose sum is σ = 114548448. Its totient is φ = 30792960.

The previous prime is 68796803. The next prime is 68796817. The reversal of 68796806 is 60869786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68796803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126896 + ... + 127436.

It is an arithmetic number, because the mean of its divisors is an integer number (3579639).

Almost surely, 268796806 is an apocalyptic number.

68796806 is a deficient number, since it is larger than the sum of its proper divisors (45751642).

68796806 is a wasteful number, since it uses less digits than its factorization.

68796806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 68796806 is about 8294.3840036497. The cubic root of 68796806 is about 409.7535818501.

The spelling of 68796806 in words is "sixty-eight million, seven hundred ninety-six thousand, eight hundred six".

Divisors: 1 2 13 26 67 73 134 146 541 871 949 1082 1742 1898 4891 7033 9782 14066 36247 39493 63583 72494 78986 127166 471211 513409 942422 1026818 2646031 5292062 34398403 68796806