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68545078 = 274896077
BaseRepresentation
bin1000001010111…
…10101000110110
311202222110011121
410011132220312
5120021420303
610445054154
71461423610
oct405365066
9152873147
1068545078
1135767a28
121ab5735a
131127c524
149163db0
15603e9bd
hex415ea36

68545078 has 8 divisors (see below), whose sum is σ = 117505872. Its totient is φ = 29376456.

The previous prime is 68545051. The next prime is 68545093. The reversal of 68545078 is 87054586.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 2448025 + ... + 2448052.

It is an arithmetic number, because the mean of its divisors is an integer number (14688234).

Almost surely, 268545078 is an apocalyptic number.

68545078 is a deficient number, since it is larger than the sum of its proper divisors (48960794).

68545078 is a wasteful number, since it uses less digits than its factorization.

68545078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896086.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 68545078 is about 8279.1954923169. The cubic root of 68545078 is about 409.2532073098.

The spelling of 68545078 in words is "sixty-eight million, five hundred forty-five thousand, seventy-eight".

Divisors: 1 2 7 14 4896077 9792154 34272539 68545078