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68547796 = 2217136949
BaseRepresentation
bin1000001010111…
…11010011010100
311202222120220021
410011133103110
5120022012141
610445114524
71461434542
oct405372324
9152876807
1068547796
1135769a79
121ab58a44
1311280835
149164d92
1560406d1
hex415f4d4

68547796 has 6 divisors (see below), whose sum is σ = 119958650. Its totient is φ = 34273896.

The previous prime is 68547779. The next prime is 68547823. The reversal of 68547796 is 69774586.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 2937796 = 8100^2 + 1714^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 8568471 + ... + 8568478.

Almost surely, 268547796 is an apocalyptic number.

It is an amenable number.

68547796 is a deficient number, since it is larger than the sum of its proper divisors (51410854).

68547796 is a wasteful number, since it uses less digits than its factorization.

68547796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17136953 (or 17136951 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 68547796 is about 8279.3596370734. The cubic root of 68547796 is about 409.2586165750.

The spelling of 68547796 in words is "sixty-eight million, five hundred forty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 4 17136949 34273898 68547796